`<color-picker>`

Usage

Basic usage

<color-picker space="oklch" color="oklch(60% 30% 180)"></color-picker>

Color spaces not supported by the browser also work:

<color-picker space="okhsl" color="color(--okhsl 180 50% 50%)"></color-picker>

If no color space or color is provided, the default ones will be used: oklch for the space and oklch(50% 50% 180) for the color.

<color-picker></color-picker>

The `alpha` attribute

Colors with the alpha channel are also supported. Add the alpha boolean attribute to show the alpha channel:

<color-picker space="oklch" color="oklch(60% 30% 180 / 0.6)" alpha></color-picker>

Slots

<color-picker space="oklch" color="oklch(50% 50% 180)">
	Element content goes into the swatch
</color-picker>

You can use your component instead of the default color swatch:

<color-picker space="oklch" color="oklch(50% 50% 180)"
              oncolorchange="this.firstElementChild.textContent = this.color">
	<color-inline slot="swatch" style="place-self: center; min-inline-size: fit-content"></color-inline>
</color-picker>

or your own form element instead of the default space picker:

<color-picker space="oklab" color="oklab(60% -0.12 0)">
	<select slot="color-space" size="4">
		<optgroup label="Rectangular Spaces">
			<option value="lab">Lab</option>
			<option value="oklab" selected>Oklab</option>
			<option value="prophoto">ProPhoto</option>
		</optgroup>
	</select>
</color-picker>

Events

As with other components, you can listen to the colorchange event:

<color-picker space="oklch" color="oklch(50% 50% 180)"
              oncolorchange="this.firstElementChild.textContent = this.color.oklch.join(' ')">
	<div class="coords"></div>
</color-picker>

Dynamic

All attributes are reactive:

<color-picker space="oklch" color="oklch(60% 30% 180)" id="dynamic_picker">
	<fieldset slot="color-space">
		<legend>Polar Spaces</legend>

		<label>
			<input type="radio" name="space" value="oklch" checked /> OKLCh
		</label>
		<label>
			<input type="radio" name="space" value="hwb" /> HWB
		</label>
		<label>
			<input type="radio" name="space" value="hsl" /> HSL
		</label>
	</fieldset>
</color-picker>

<script>
	let radios = dynamic_picker.querySelectorAll("input[name=space]");
	radios.forEach(radio => radio.addEventListener("change", evt => dynamic_picker.spaceId = evt.target.value));
</script>

<style>
	label + label {
		margin-inline-start: .3em;
	}
</style>

<label>
	<input type="checkbox" onchange="this.parentElement.nextElementSibling.alpha = this.checked" /> Alpha channel
</label>
<color-picker></color-picker>

Reference

Slots

Name	Description
(default)	The color picker’s main content. Goes into the swatch.
`color-space`	An element to display (and if writable, also set) the current color space. If not provided, a `<space-picker>` is used.
`swatch`	An element used to provide a visual preview of the current color.

Attributes & Properties

Attribute	Property	Property type	Default value	Description
`space`	`spaceId`	`string`	`oklch`	The color space to use for interpolation.
–	`space`	`ColorSpace`	`OKLCh`	Color space object corresponding to the `space` attribute.
`color`	`color`	`Color` \| `string`	`oklch(50% 50% 180)`	The current color value.
`alpha`	`alpha`	`boolean` \| `undefined`	`undefined`	Whether to show the alpha channel slider or not.

Events

Name	Description
`input`	Fired when the color changes due to user action, such as adjusting the sliders, entering a color in the swatch’s text field, or choosing a different color space.
`change`	Fired when the color changes due to user action, such as adjusting the sliders, entering a color in the swatch’s text field, or choosing a different color space.
`colorchange`	Fired when the color changes for any reason, and once during initialization.

CSS variables

The styling of <color-picker> is fully customizable via CSS variables provided by the <color-slider> and <color-swatch>.

Parts

Name	Description
`color-space`	The default `<space-picker>` element, used if the `color-space` slot has no slotted elements.
`color-space-base`	The internal `<select>` element of the default `<space-picker>` element.
`swatch`	The default `<color-swatch>` element, used if the `swatch` slot has no slotted elements.

Installation

To install all color elements, check out the instructions on the homepage. The rest of this section is about using only <color-picker>.

The quick and dirty way is straight from the CDN (kindly provided by Netlify):

<script src="https://elements.colorjs.io/src/color-picker/color-picker.js" type="module"></script>

or in JS:

import "https://elements.colorjs.io/src/color-picker/color-picker.js";

If you are using npm to manage your dependencies, you can import it via:

import "color-elements/color-picker";

or:

import { ColorPicker } from "color-elements";