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michaelcpuckett/color-swatches.html

Created October 17, 2024 06:09
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Color Swatch Generator
Raw
color-swatches.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>CSS Color Palette Generator</title>
</head>
<body>
<h1>CSS Color Palette Generator</h1>
<template id="template-for-example-cards">
<style>
* {
&,
&:before,
&:after {
box-sizing: border-box;
}
}
:host {
display: grid;
row-gap: 1rem;
}
:host([type~="primary"]) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c h
);
}
:host([type~="complementary"]) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__complementary--hue-offset))
);
}
:host([type~="split-1"]) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__split-1--hue-offset))
);
}
:host([type~="split-2"]) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__split-2--hue-offset))
);
}
:host([type~="triadic-1"]) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__triadic-1--hue-offset))
);
}
:host([type~="triadic-2"]) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__triadic-2--hue-offset))
);
}
:host([type~="tetradic-1"]) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__tetradic-1--hue-offset))
);
}
:host([type~="tetradic-2"]) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__tetradic-2--hue-offset))
);
}
:host([type~="tetradic-3"]) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__tetradic-3--hue-offset))
);
}
:host([type~="analagous-1"]) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__analagous-1--hue-offset))
);
}
:host([type~="analagous-2"]) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__analagous-2--hue-offset))
);
}
:host([type~="analagous-3"]) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__analagous-3--hue-offset))
);
}
:host([hidden]) {
display: none;
}
h3 {
font-size: 1.5rem;
margin: 0;
}
.cards {
--swatch--dynamic--100: color-mix(
in oklab,
var(--swatch--dynamic--500),
white 80%
);
--swatch--dynamic--200: color-mix(
in oklab,
var(--swatch--dynamic--500),
white 50%
);
--swatch--dynamic--300: color-mix(
in oklab,
var(--swatch--dynamic--500),
white 37.5%
);
--swatch--dynamic--400: color-mix(
in oklab,
var(--swatch--dynamic--500),
white 12.5%
);
--swatch--dynamic--600: color-mix(
in oklab,
var(--swatch--dynamic--500),
black 12.5%
);
--swatch--dynamic--700: color-mix(
in oklab,
var(--swatch--dynamic--500),
black 25%
);
--swatch--dynamic--800: color-mix(
in oklab,
var(--swatch--dynamic--500),
black 37.5%
);
--swatch--dynamic--900: color-mix(
in oklab,
var(--swatch--dynamic--500),
black 50%
);
display: grid;
gap: 1rem;
@media (min-width: 800px) {
grid-auto-flow: column;
grid-template-rows: auto minmax(0px, 1fr) auto;
}
}
.card {
flex: 1 0 auto;
gap: 0;
font-family: APCA-Approved-Font-Family, sans-serif;
background-color: var(--swatch--dynamic--100);
padding: 20px;
border-radius: 4px;
border: 1px solid var(--swatch--dynamic--300);
display: grid;
grid-row: auto / span 3;
grid-template-rows: subgrid;
transition-duration: 60ms;
transition-timing-function: ease-in-out;
transition-property: width;
@media (max-width: 799px) {
&:not(:first-of-type) {
display: none;
}
}
& h3 {
color: var(--swatch--dynamic--800);
margin: 0;
font-size: 2rem;
}
& .card-content {
color: black;
font: inherit;
}
& button {
background-color: var(--swatch--dynamic--800);
border: 1px solid var(--swatch--dynamic--900);
border-radius: 4px;
cursor: pointer;
padding: 8px 16px;
font: inherit;
font-size: 1rem;
font-weight: 600;
color: var(--text-color, white);
&:hover {
background-color: var(--swatch--dynamic--900);
}
}
}
hr {
margin: 20px 0;
border: 0;
display: flex;
height: 1px;
background: #ccc;
}
</style>
<h3 hidden></h3>
<div class="cards">
<div class="card">
<h3>Example</h3>
<div class="card-content">
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam
nec fermentum nunc. Nullam nec fermentum nunc. Nullam nec
fermentum nunc.
</p>
<ul>
<li>heading: swatch--800 / swatch--100</li>
<li>content: black / swatch--100</li>
<li>button: white / swatch--700</li>
</ul>
</div>
<button type="button">Learn More &longrightarrow;</button>
</div>
<div class="card">
<h3>Example</h3>
<div class="card-content">
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam
nec fermentum nunc. Nullam nec fermentum nunc. Nullam nec
fermentum nunc.
</p>
<ul>
<li>heading: swatch--800 / swatch--100</li>
<li>content: black / swatch--100</li>
<li>button: white / swatch--700</li>
</ul>
</div>
<button type="button">Learn More &longrightarrow;</button>
</div>
<div class="card">
<h3>Example</h3>
<div class="card-content">
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam
nec fermentum nunc. Nullam nec fermentum nunc. Nullam nec
fermentum nunc.
</p>
<ul>
<li>heading: swatch--800 / swatch--100</li>
<li>content: black / swatch--100</li>
<li>button: white / swatch--700</li>
</ul>
</div>
<button type="button">Learn More &longrightarrow;</button>
</div>
</div>
<hr />
</template>
<script src="https://colorjs.io/dist/color.global.legacy.js"></script>
<script type="module">
window.customElements.define(
"example-cards",
class ExampleCards extends HTMLElement {
constructor() {
super();
this.attachShadow({ mode: "open" });
const templateElement = window.document.getElementById(
"template-for-example-cards"
);
this.shadowRoot.appendChild(
templateElement.content.cloneNode(true)
);
const headingElement = this.shadowRoot.querySelector("h3[hidden]");
const headingText = this.getAttribute("label");
headingElement.textContent = headingText;
headingElement.removeAttribute("hidden");
this.cardsElement = this.shadowRoot.querySelector(".cards");
const cardsType = this.getAttribute("type");
cardsType
.split(" ")
.map((cardType) => this.cardsElement.classList.add(cardType));
this.buttonElement = this.shadowRoot.querySelector("button");
const buttonStyle = window.getComputedStyle(this.buttonElement);
const {
color: buttonTextColor,
backgroundColor: buttonBackgroundColor,
} = buttonStyle;
}
}
);
window.customElements.define(
"color-picker",
class ColorPicker extends HTMLElement {
constructor() {
super();
this.throttledSetHexValues = this.throttle(this.setHexValues, 60);
}
connectedCallback() {
this.swatchElements = Array.from(this.querySelectorAll(".swatch"));
this.hueInputElement = this.querySelector("input[name='hue']");
this.saturationInputElement = this.querySelector(
"input[name='saturation']"
);
this.textareaElement = this.querySelector("textarea");
this.throttledSetHexValues();
const p3SwatchInputElements = Array.from(
this.querySelectorAll("input[name='display-p3-color']")
);
p3SwatchInputElements.forEach((inputElement) => {
const displayP3ColorName = inputElement.value;
inputElement.parentElement.style.setProperty(
"--swatch",
"var(--swatch--display-p3__" + displayP3ColorName + ")"
);
});
this.querySelector(
"fieldset:has(input[name='display-p3-color']"
).addEventListener("input", (event) => {
if (!event.target instanceof HTMLElement) {
return;
}
if (!event.target.matches("input[name='display-p3-color']")) {
return;
}
const checked = event.target.checked;
if (!checked) {
return;
}
const displayP3ColorName = event.target.value;
const displayP3ColorValue = window
.getComputedStyle(event.target)
.getPropertyValue(
`--swatch--display-p3__${displayP3ColorName}`
);
this.style.setProperty(
"--swatch--dynamic--spot-color",
displayP3ColorValue
);
const displayP3Color = new Color(displayP3ColorValue);
const { s: saturation, h: hue } = displayP3Color.to("oklch").hsl;
const normalizedHue = Math.max(Math.min(hue, 360), 0);
this.style.setProperty(
"--swatch--dynamic--hue",
`${normalizedHue}deg`
);
this.hueInputElement.value = normalizedHue;
const normalizedSaturation = Math.max(
Math.min(saturation * 100, 100),
0
);
this.style.setProperty(
"--swatch--dynamic--saturation",
`${normalizedSaturation}%`
);
this.saturationInputElement.value = normalizedSaturation;
this.throttledSetHexValues();
});
this.hueInputElement.addEventListener("input", (event) => {
const hue = event.target.value;
this.style.setProperty("--swatch--dynamic--hue", `${hue}deg`);
event.currentTarget.parentElement.querySelector("output").value =
hue;
this.style.removeProperty("--swatch--dynamic--spot-color");
this.querySelector(
"input[name='display-p3-color']:checked"
)?.removeAttribute("checked");
this.throttledSetHexValues();
});
this.saturationInputElement.addEventListener("input", (event) => {
const saturation = event.target.value;
this.style.setProperty(
"--swatch--dynamic--saturation",
`${saturation}%`
);
event.currentTarget.parentElement.querySelector("output").value =
saturation;
this.style.removeProperty("--swatch--dynamic--spot-color");
const checkedP3Element = this.querySelector(
"input[name='display-p3-color']:checked"
);
if (checkedP3Element) {
checkedP3Element.checked = false;
}
this.throttledSetHexValues();
});
this.querySelector(
"fieldset:has(input[name='harmony'])"
).addEventListener("input", (event) => {
if (!event.target instanceof HTMLInputElement) {
return;
}
if (!event.target.matches("[type=checkbox]")) {
return;
}
const checked = event.target.checked;
const values = event.target.value.split(",");
for (const value of values) {
console.log(value);
Array.from(
window.document.querySelectorAll(
`.swatches[class~="${value}"], [type~="${value}"]`
)
).forEach((element) => {
console.log(element);
element.toggleAttribute("hidden", !checked);
});
}
this.throttledSetHexValues();
});
}
setHexValues() {
this.textareaElement.value = "";
this.swatchElements.forEach((swatchElement) => {
const { backgroundColor } = window.getComputedStyle(
swatchElement,
":before"
);
const asRgb = new Color(backgroundColor).to("srgb");
const { r, g, b } = asRgb.srgb;
const normalizedR = Math.min(r * 255, 255);
const normalizedG = Math.min(g * 255, 255);
const normalizedB = Math.min(b * 255, 255);
const hexR = this.toHex(normalizedR);
const hexG = this.toHex(normalizedG);
const hexB = this.toHex(normalizedB);
const hex = `#${hexR}${hexG}${hexB}`;
const hexElement = swatchElement.querySelector("span");
hexElement.textContent = hex;
});
}
toHex(character) {
const hex = character
.toString(16)
.slice(0, 2)
.replace("-", "")
.replace(".", "");
return hex.length == 1 ? "0" + hex : hex;
}
throttle(callback, limit) {
this.inThrottleMode = false;
return function () {
const args = arguments;
const context = this;
if (this.inThrottleMode) {
if (this.throttleTimeout) {
this.throttleTimeout.then(() => {
setTimeout(() => {
callback.apply(context, args);
this.throttleTimeout = null;
}, limit);
});
}
} else {
callback.apply(context, args);
this.inThrottleMode = true;
this.throttleTimeout = new Promise((resolve) => {
setTimeout(() => {
this.inThrottleMode = false;
resolve();
}, limit);
});
}
};
}
}
);
window.customElements.define(
"dark-mode-toggle",
class DarkModeToggle extends HTMLElement {
contructor() {
const buttonElement = this.querySelector("button");
buttonElement.addEventListener("click", () => {
window.document.body.classList.toggle("dark-mode");
});
}
}
);
</script>
<dark-mode-toggle>
<button type="button">Toggle Dark Mode</button>
</dark-mode-toggle>
<color-picker>
<template shadowrootmode="open">
<style>
:host {
--swatch--dynamic__analagous-1--hue-offset: 30;
--swatch--dynamic__analagous-2--hue-offset: 60;
--swatch--dynamic__analagous-3--hue-offset: 90;
--swatch--dynamic__tetradic-1--hue-offset: 90;
--swatch--dynamic__triadic-1--hue-offset: 120;
--swatch--dynamic__split-1--hue-offset: 150;
--swatch--dynamic__complementary--hue-offset: 180;
--swatch--dynamic__tetradic-2--hue-offset: 180;
--swatch--dynamic__split-2--hue-offset: 210;
--swatch--dynamic__triadic-2--hue-offset: 240;
--swatch--dynamic__tetradic-3--hue-offset: 270;
--swatch--dynamic__from--basis: hsl(
var(--swatch--dynamic--hue) var(--swatch--dynamic--saturation) 50%
);
--swatch--dynamic--from: var(
--swatch--dynamic--spot-color,
var(--swatch--dynamic__from--basis)
);
& ::slotted(.primary) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c h
);
}
& ::slotted(.complementary) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__complementary--hue-offset))
);
}
& ::slotted(.split-1) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__split-1--hue-offset))
);
}
& ::slotted(.split-2) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__split-2--hue-offset))
);
}
& ::slotted(.triadic-1) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__triadic-1--hue-offset))
);
}
& ::slotted(.triadic-2) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__triadic-2--hue-offset))
);
}
& ::slotted(.tetradic-1) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__tetradic-1--hue-offset))
);
}
& ::slotted(.tetradic-2) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__tetradic-2--hue-offset))
);
}
& ::slotted(.tetradic-3) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__tetradic-3--hue-offset))
);
}
& ::slotted(.analagous-1) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__analagous-1--hue-offset))
);
}
& ::slotted(.analagous-2) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__analagous-2--hue-offset))
);
}
& ::slotted(.analagous-3) {
--swatch--dynamic--500: oklch(
from var(--swatch--dynamic--from) l c
calc(h + var(--swatch--dynamic__analagous-3--hue-offset))
);
}
& ::slotted(.swatches) {
--swatch--dynamic--100: color-mix(
in oklab,
var(--swatch--dynamic--500),
white 80%
);
--swatch--dynamic--200: color-mix(
in oklab,
var(--swatch--dynamic--500),
white 50%
);
--swatch--dynamic--300: color-mix(
in oklab,
var(--swatch--dynamic--500),
white 37.5%
);
--swatch--dynamic--400: color-mix(
in oklab,
var(--swatch--dynamic--500),
white 12.5%
);
--swatch--dynamic--600: color-mix(
in oklab,
var(--swatch--dynamic--500),
black 12.5%
);
--swatch--dynamic--700: color-mix(
in oklab,
var(--swatch--dynamic--500),
black 25%
);
--swatch--dynamic--800: color-mix(
in oklab,
var(--swatch--dynamic--500),
black 37.5%
);
--swatch--dynamic--900: color-mix(
in oklab,
var(--swatch--dynamic--500),
black 50%
);
}
}
</style>
<slot></slot>
</template>
<form style="display: grid">
<details open name="option">
<summary>HSL Color Picker</summary>
<div>
<label>
Hue
<small
>&mdash; Angle (0 - 360 degrees, going around the color
wheel)</small
>
<div>
<input
type="range"
min="0"
max="360"
value="180"
name="hue"
list="degree-markers"
/>
<datalist id="degree-markers">
<option value="0" label="0deg"></option>
<option value="30" label="30deg"></option>
<option value="60" label="60deg"></option>
<option value="90" label="90deg"></option>
<option value="120" label="120deg"></option>
<option value="150" label="120deg"></option>
<option value="180" label="180deg"></option>
<option value="210" label="180deg"></option>
<option value="240" label="240deg"></option>
<option value="270" label="270deg"></option>
<option value="300" label="300deg"></option>
<option value="330" label="330deg"></option>
<option value="360" label="360deg"></option>
</datalist>
<output>0</output>
</div>
</label>
<hr />
<label>
Saturation <small>&mdash; Percentage (0 - 100%)</small>
<div>
<input
type="range"
min="0"
max="100"
value="85"
name="saturation"
list="percentage-markers"
/>
<datalist id="percentage-markers">
<option value="0" label="0%"></option>
<option value="25" label="25%"></option>
<option value="50" label="50%"></option>
<option value="75" label="75%"></option>
<option value="100" label="100%"></option>
</datalist>
<output>100</output>
</div>
</label>
</div>
</details>
<hr />
<details name="option">
<summary>display-p3 Palette</summary>
<div>
<style>
:root {
--swatch--display-p3__rosest: color(display-p3 1 0.05 0.45);
--swatch--display-p3__sour-lime: color(display-p3 0 1 0);
--swatch--display-p3__ultra-turquoise: color(
display-p3 0 1 0.701
);
--swatch--display-p3__hot-coral: color(
display-p3 0.96 0.34 0.27
);
--swatch--display-p3__super-red: color(display-p3 1 0 0);
--swatch--display-p3__robins-blue: color(
display-p3 0.17 0.68 1
);
--swatch--display-p3__super-blue: color(display-p3 0 0 1);
--swatch--display-p3__equinox-green: color(
display-p3 0.24 1 0.52
);
--swatch--display-p3__anouk-rose: color(display-p3 1 0.64 1);
--swatch--display-p3__super-green: color(display-p3 0 1 0);
--swatch--display-p3__super-yellow: color(display-p3 1 1 0);
--swatch--display-p3__super-fuchsia: color(display-p3 1 0 1);
--swatch--display-p3__green-1907: color(display-p3 0 0.58 0.3);
--swatch--display-p3__lighting-violet: color(
display-p3 0.24 0 1
);
--swatch--display-p3__ultra-cyan: color(display-p3 0 1 1);
--swatch--display-p3__radioactive-lime: color(
display-p3 0.76 1 0
);
}
</style>
<fieldset>
<legend>display-p3 Colors</legend>
<label>
<input type="radio" name="display-p3-color" value="rosest" />
<p>Rosest</p>
</label>
<label>
<input type="radio" name="display-p3-color" value="sour-lime" />
<p>Sour Lime</p>
</label>
<label>
<input
type="radio"
name="display-p3-color"
value="ultra-turquoise"
/>
<p>Ultra Turquoise</p>
</label>
<label>
<input type="radio" name="display-p3-color" value="hot-coral" />
<p>Hot Coral</p>
</label>
<label>
<input type="radio" name="display-p3-color" value="super-red" />
<p>Super Red</p>
</label>
<label>
<input
type="radio"
name="display-p3-color"
value="robins-blue"
/>
<p>Robins Blue</p>
</label>
<label>
<input
type="radio"
name="display-p3-color"
value="super-blue"
/>
<p>Super Blue</p>
</label>
<label>
<input
type="radio"
name="display-p3-color"
value="equinox-green"
/>
<p>Equinox Green</p>
</label>
<label>
<input
type="radio"
name="display-p3-color"
value="anouk-rose"
/>
<p>Anouk Rose</p>
</label>
<label>
<input
type="radio"
name="display-p3-color"
value="super-green"
/>
<p>Super Green</p>
</label>
<label>
<input
type="radio"
name="display-p3-color"
value="super-yellow"
/>
<p>Super Yellow</p>
</label>
<label>
<input
type="radio"
name="display-p3-color"
value="super-fuchsia"
/>
<p>Super Fuchsia</p>
</label>
<label>
<input
type="radio"
name="display-p3-color"
value="green-1907"
/>
<p>Green 1907</p>
</label>
<label>
<input
type="radio"
name="display-p3-color"
value="lighting-violet"
/>
<p>Lighting Violet</p>
</label>
<label>
<input
type="radio"
name="display-p3-color"
value="ultra-cyan"
/>
<p>Ultra Cyan</p>
</label>
<label>
<input
type="radio"
name="display-p3-color"
value="radioactive-lime"
/>
<p>Radioactive Lime</p>
</label>
</fieldset>
</div>
</details>
<hr />
<details name="option">
<summary>Additional Palettes</summary>
<fieldset>
<legend>Harmonies</legend>
<label>
<input type="checkbox" name="harmony" value="complementary" />
<p>Complementary <small>(180 degrees)</small></p>
</label>
<label>
<input type="checkbox" name="harmony" value="analagous" />
<p>
Analagous <small>(30 degrees, 60 degrees, 90 degrees)</small>
</p>
</label>
<label>
<input type="checkbox" name="harmony" value="triadic" />
<p>Triadic <small>(120 degrees, 240 degrees)</small></p>
</label>
<label>
<input type="checkbox" name="harmony" value="split" />
<p>
Split Complementary <small>(150 degrees, 210 degrees)</small>
</p>
</label>
<label>
<input type="checkbox" name="harmony" value="tetradic" />
<p>
Tetradic
<small>(90 degrees, 180 degrees, 270 degrees)</small>
</p>
</label>
</fieldset>
</details>
</form>
<hr />
<h2>Primary</h2>
<div class="swatches primary">
<div
class="swatch"
style="--swatch: var(--swatch--named__white); --name: 'White'"
>
<small></small>
<span></span><i class="visually-hidden">;</i>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--100); --name: '100'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--200); --name: '200'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--300); --name: '300'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--400); --name: '400'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--500); --name: '500'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--600); --name: '600'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--700); --name: '700'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--800); --name: '800'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--900); --name: '900'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--named__black); --name: 'Black'"
>
<small></small>
<span></span>
</div>
</div>
<hr />
<h2>Analagous 1 <small>&mdash; 30 degrees</small></h2>
<div class="swatches analagous analagous-1" hidden>
<div
class="swatch"
style="--swatch: var(--swatch--named__white); --name: 'White'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--100); --name: '100'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--200); --name: '200'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--300); --name: '300'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--400); --name: '400'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--500); --name: '500'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--600); --name: '600'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--700); --name: '700'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--800); --name: '800'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--900); --name: '900'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--named__black); --name: 'Black'"
>
<small></small>
<span></span>
</div>
</div>
<h2>Analagous 2 <small>&mdash; 60 degrees</small></h2>
<div class="swatches analagous analagous-2" hidden>
<div
class="swatch"
style="--swatch: var(--swatch--named__white); --name: 'White'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--100); --name: '100'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--200); --name: '200'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--300); --name: '300'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--400); --name: '400'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--500); --name: '500'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--600); --name: '600'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--700); --name: '700'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--800); --name: '800'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--900); --name: '900'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--named__black); --name: 'Black'"
>
<small></small>
<span></span>
</div>
</div>
<h2>Analagous 3 / Tetradic 1 <small>&mdash; 90 degrees</small></h2>
<div class="swatches analagous analagous-3 tetradic tetradic-1" hidden>
<div
class="swatch"
style="--swatch: var(--swatch--named__white); --name: 'White'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--100); --name: '100'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--200); --name: '200'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--300); --name: '300'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--400); --name: '400'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--500); --name: '500'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--600); --name: '600'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--700); --name: '700'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--800); --name: '800'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--900); --name: '900'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--named__black); --name: 'Black'"
>
<small></small>
<span></span>
</div>
</div>
<h2>Triadic 1 <small>&mdash; 120 degrees</small></h2>
<div class="swatches triadic triadic-1" hidden>
<div
class="swatch"
style="--swatch: var(--swatch--named__white); --name: 'White'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--100); --name: '100'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--200); --name: '200'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--300); --name: '300'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--400); --name: '400'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--500); --name: '500'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--600); --name: '600'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--700); --name: '700'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--800); --name: '800'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--900); --name: '900'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--named__black); --name: 'Black'"
>
<small></small>
<span></span>
</div>
</div>
<h2>Split Complemenary 1 <small>&mdash; 150 degrees</small></h2>
<div class="swatches split split-1" hidden>
<div
class="swatch"
style="--swatch: var(--swatch--named__white); --name: 'White'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--100); --name: '100'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--200); --name: '200'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--300); --name: '300'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--400); --name: '400'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--500); --name: '500'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--600); --name: '600'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--700); --name: '700'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--800); --name: '800'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--900); --name: '900'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--named__black); --name: 'Black'"
>
<small></small>
<span></span>
</div>
</div>
<h2>Tetradic 2 / Complementary <small>&mdash; 180 degrees</small></h2>
<div class="swatches complementary tetradic tetradic-2" hidden>
<div
class="swatch"
style="--swatch: var(--swatch--named__white); --name: 'White'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--100); --name: '100'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--200); --name: '200'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--300); --name: '300'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--400); --name: '400'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--500); --name: '500'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--600); --name: '600'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--700); --name: '700'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--800); --name: '800'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--900); --name: '900'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--named__black); --name: 'Black'"
>
<small></small>
<span></span>
</div>
</div>
<h2>Split Complemenary 2 <small>&mdash; 210 degrees</small></h2>
<div class="swatches split split-2" hidden>
<div
class="swatch"
style="--swatch: var(--swatch--named__white); --name: 'White'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--100); --name: '100'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--200); --name: '200'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--300); --name: '300'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--400); --name: '400'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--500); --name: '500'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--600); --name: '600'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--700); --name: '700'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--800); --name: '800'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--900); --name: '900'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--named__black); --name: 'Black'"
>
<small></small>
<span></span>
</div>
</div>
<h2>Triadic 2 <small>&mdash; 240 degrees</small></h2>
<div class="swatches triadic triadic-2" hidden>
<div
class="swatch"
style="--swatch: var(--swatch--named__white); --name: 'White'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--100); --name: '100'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--200); --name: '200'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--300); --name: '300'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--400); --name: '400'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--500); --name: '500'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--600); --name: '600'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--700); --name: '700'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--800); --name: '800'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--900); --name: '900'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--named__black); --name: 'Black'"
>
<small></small>
<span></span>
</div>
</div>
<h2>Tetradic 3 <small>&mdash; 270 degrees</small></h2>
<div class="swatches tetradic tetradic-3" hidden>
<div
class="swatch"
style="--swatch: var(--swatch--named__white); --name: 'White'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--100); --name: '100'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--200); --name: '200'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--300); --name: '300'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--400); --name: '400'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--500); --name: '500'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--600); --name: '600'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--700); --name: '700'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--800); --name: '800'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--dynamic--900); --name: '900'"
>
<small></small>
<span></span>
</div>
<div
class="swatch"
style="--swatch: var(--swatch--named__black); --name: 'Black'"
>
<small></small>
<span></span>
</div>
</div>
<hr />
<example-cards type="primary" label="Primary"></example-cards>
<example-cards
hidden
type="analagous analagous-1"
label="Analagous 1 (30 degrees)"
></example-cards>
<example-cards
hidden
type="analagous analagous-2"
label="Analagous 2 (60 degrees)"
></example-cards>
<example-cards
hidden
type="analagous tetradic analagous-3 tetradic-1"
label="Analagous 3 / Tetradic 1 (90 degrees)"
></example-cards>
<example-cards
hidden
type="triadic triadic-1"
label="Triadic 1 (120 degrees)"
></example-cards>
<example-cards
hidden
type="split split-1"
label="Split Complementary 1 (150 degrees)"
></example-cards>
<example-cards
hidden
type="complementary tetradic tetradic-2"
label="Complementary / Tetradic 2 (180 degrees)"
></example-cards>
<example-cards
hidden
type="split split-2"
label="Split Complementary 2 (210 degrees)"
></example-cards>
<example-cards
hidden
type="triadic triadic-2"
label="Triadic 2 (240 degrees)"
></example-cards>
<example-cards
hidden
type="tetradic tetradic-3"
label="Tetradic 3 (270 degrees)"
></example-cards>
<h2>CSS Custom Properties</h2>
<textarea></textarea>
</color-picker>
<style>
@layer default, overrides;
@layer overrides {
.visually-hidden {
position: absolute;
width: 1px;
height: 1px;
white-space: nowrap;
clip: rect(0 0 0 0);
margin: -1px;
border: 0;
padding: 0;
}
}
@layer default {
*,
*:before,
*:after {
box-sizing: border-box;
-webkit-tap-highlight-color: transparent;
}
@font-face {
font-family: "APCA-Approved-Reference-Font";
src: local("Helvetica Neue"), local("Helvetica"), local("Arial");
}
:root {
--swatch--named__white: white;
--swatch--named__black: black;
--swatch--dynamic--hue: 180deg;
--swatch--dynamic--saturation: 85%;
--swatch--dynamic--lightness: 50%;
line-height: 1.5;
font-family: monospace;
@media only screen and (width: 768px) and (min-resolution: 2dppx) {
@supports (font: -apple-system-body) {
font: -apple-system-body, sans-serif;
}
}
font-size: 14px;
}
:where(input[type="range"]) {
width: 100%;
}
:where(textarea) {
width: 100%;
min-height: 280px;
border: 1px solid;
}
body {
font-size: calc((18 / 14) * 1rem);
padding: 0 20px;
background-color: var(--swatch--named__white);
color: var(--swatch--named__black);
&.dark-mode {
background-color: var(--swatch--named__black);
color: var(--swatch--named__white);
color-scheme: dark;
}
}
h2 {
font-size: 1.5rem;
margin: 1rem 0;
}
form > label,
legend {
font-weight: bold;
}
label > div {
display: flex;
gap: 1ch;
& > output {
font-variant-numeric: tabular-nums;
width: 4ch;
font-family: monospace;
text-align: right;
}
}
label:first-of-type output:after {
content: "°";
}
label:nth-of-type(2) output:after {
content: "%";
}
h1 {
display: inline-flex;
width: auto;
vertical-align: middle;
padding-right: 1ch;
}
h2:has(+ [hidden]) {
display: none;
}
fieldset {
display: grid;
gap: 0.5ch;
padding: 0.5em 0;
margin: 0;
margin-top: 0.5em;
border: 0;
@media (min-width: 800px) {
grid-template-columns: 1fr 1fr;
}
}
fieldset label {
display: flex;
width: max-content;
gap: 1ch;
align-items: center;
& p {
margin: 0;
}
& small {
display: block;
}
}
fieldset:has(input[name="display-p3-color"]) label[style] {
display: grid;
grid-auto-flow: column;
align-items: center;
p {
display: flex;
align-items: center;
gap: 0.5ch;
}
p:before {
content: "";
display: flex;
background-color: var(--swatch);
height: 1em;
aspect-ratio: 1;
width: auto;
}
}
.swatches:not([hidden]) {
display: flex;
flex-direction: column;
width: 100%;
justify-content: space-between;
column-gap: 12px;
row-gap: 0.5em;
@media (min-width: 800px) {
flex-direction: row;
}
}
.swatch {
min-height: 48px;
width: 100%;
display: grid;
position: relative;
grid-template-columns: 1fr;
grid-template-rows: auto auto;
place-items: center;
place-content: center;
gap: 1ch;
}
.swatch:before {
grid-row: 1 / 2;
grid-column: 1 / 2;
content: "";
width: 100%;
flex: 0 1 100%;
background-color: var(--swatch);
display: flex;
border: 4px solid white;
outline: 1px solid #ccc;
aspect-ratio: 3 / 1;
}
@media (min-width: 800px) {
.swatch:before {
aspect-ratio: 1 / 1;
}
}
.swatch small {
grid-row: 1 / 2;
grid-column: 1 / 2;
content: var(--name);
text-transform: uppercase;
font-size: 0.95rem;
background: white;
color: black;
padding: 4px;
&:after {
content: var(--name);
}
}
.swatch span {
grid-row: 2 / 3;
grid-column: 1 / 2;
text-align: center;
margin: 0;
font-size: 0.875em;
}
hr {
margin: 20px 0;
border: 0;
display: flex;
height: 1px;
background: #ccc;
}
summary {
cursor: pointer;
}
}
</style>
</body>
</html>
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