ColorArea

A color area allows users to adjust two channels of an RGB, HSL or HSB color value against a two-dimensional gradient background.

install	`yarn add react-aria-components`
version	1.4.1
usage	`import {ColorArea} from 'react-aria-components'`

View ARIA pattern

W3C

Example#

import {ColorArea, ColorThumb} from 'react-aria-components';

<ColorArea>
  <ColorThumb />
</ColorArea>

import {ColorArea, ColorThumb} from 'react-aria-components';

<ColorArea>
  <ColorThumb />
</ColorArea>

import {
  ColorArea,
  ColorThumb
} from 'react-aria-components';

<ColorArea>
  <ColorThumb />
</ColorArea>

Show CSS

.react-aria-ColorArea {
  width: 192px;
  height: 192px;
  border-radius: 4px;
  flex-shrink: 0;
}

.react-aria-ColorThumb {
  border: 2px solid white;
  box-shadow: 0 0 0 1px black, inset 0 0 0 1px black;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  box-sizing: border-box;

  &[data-focus-visible] {
    width: 24px;
    height: 24px;
  }
}

.react-aria-ColorArea {
  width: 192px;
  height: 192px;
  border-radius: 4px;
  flex-shrink: 0;
}

.react-aria-ColorThumb {
  border: 2px solid white;
  box-shadow: 0 0 0 1px black, inset 0 0 0 1px black;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  box-sizing: border-box;

  &[data-focus-visible] {
    width: 24px;
    height: 24px;
  }
}

.react-aria-ColorArea {
  width: 192px;
  height: 192px;
  border-radius: 4px;
  flex-shrink: 0;
}

.react-aria-ColorThumb {
  border: 2px solid white;
  box-shadow: 0 0 0 1px black, inset 0 0 0 1px black;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  box-sizing: border-box;

  &[data-focus-visible] {
    width: 24px;
    height: 24px;
  }
}

Features#

The <input type="color"> HTML element can be used to build a color picker, however it is very inconsistent across browsers and operating systems and consists of a complete color picker rather than a color area. ColorArea helps achieve accessible and touch-friendly color areas that can be styled as needed.

Customizable – Support for adjusting two-channel values of an HSL, HSB or RGB color value.
High quality interactions – Mouse, touch, and keyboard input is supported via the useMove hook. Pressing the color area moves the thumb to that position. Text selection and touch scrolling are prevented while dragging.
Accessible – Announces localized color descriptions for screen reader users (e.g. "dark vibrant blue"). Uses two visually hidden <input> elements for mobile screen reader support and HTML form integration.

Anatomy#

A color area consists of a rectangular background area that provides, using a two-dimensional gradient, a visual representation of the range of color values from which a user can select, and a thumb that the user can drag to change the selected color value. Two visually hidden <input> elements are used to represent the color channel values to assistive technologies.

import {ColorArea, ColorThumb} from 'react-aria-components';

<ColorArea>
  <ColorThumb />
</ColorArea>

import {ColorArea, ColorThumb} from 'react-aria-components';

<ColorArea>
  <ColorThumb />
</ColorArea>

import {
  ColorArea,
  ColorThumb
} from 'react-aria-components';

<ColorArea>
  <ColorThumb />
</ColorArea>

Starter kits#

To help kick-start your project, we offer starter kits that include example implementations of all React Aria components with various styling solutions. All components are fully styled, including support for dark mode, high contrast mode, and all UI states. Each starter comes with a pre-configured Storybook that you can experiment with, or use as a starting point for your own component library.

Reusable wrappers#

If you will use a ColorArea in multiple places in your app, you can wrap all of the pieces into a reusable component. This way, the DOM structure, styling code, and other logic are defined in a single place and reused everywhere to ensure consistency.

import type {ColorAreaProps} from 'react-aria-components';

export function MyColorArea(props: ColorAreaProps) {
  return (
    <ColorArea {...props}>
      <ColorThumb />
    </ColorArea>
  );
}

<MyColorArea defaultValue="hsl(30, 100%, 50%)" />

import type {ColorAreaProps} from 'react-aria-components';

export function MyColorArea(props: ColorAreaProps) {
  return (
    <ColorArea {...props}>
      <ColorThumb />
    </ColorArea>
  );
}

<MyColorArea defaultValue="hsl(30, 100%, 50%)" />

import type {ColorAreaProps} from 'react-aria-components';

export function MyColorArea(
  props: ColorAreaProps
) {
  return (
    <ColorArea
      {...props}
    >
      <ColorThumb />
    </ColorArea>
  );
}

<MyColorArea defaultValue="hsl(30, 100%, 50%)" />

Value#

A ColorArea requires either an uncontrolled default value or a controlled value, provided using the defaultValue or value props respectively. The value provided to either of these props should be a color string or Color object. xChannel and yChannel props may also be provided to specify which color channels the color area should display, and the direction of each channel in the color gradient. This must be one of the channels included in the color value, for example, for RGB colors, the "red", "green", and "blue" channels are available. For a full list of supported channels, see the Props table below.

Uncontrolled#

By default, color area is uncontrolled, with a default value of white using the RGB color space (rgb(255, 255, 255)). You can change the default value using the defaultValue prop, and the color area will use the color space of the provided value.

<MyColorArea defaultValue="hsb(219, 58%, 93%)" />

<MyColorArea defaultValue="hsb(219, 58%, 93%)" />

<MyColorArea defaultValue="hsb(219, 58%, 93%)" />

If no xChannel or yChannel is provided, for the RGB color space, the red color channel maps to the horizontal axis or xChannel, and the green color channel maps to the vertical axis or yChannel. Similarly, for the HSL and HSB color spaces, the hue color channel maps to the horizontal axis or xChannel, and the saturation color channel maps to the vertical axis or yChannel.

Controlled#

In the example below, the parseColor function is used to parse the initial color from an HSL string. This is passed to the value prop to make the ColorArea controlled, and updated in the onChange event.

import {parseColor} from 'react-aria-components';

function Example() {
  let [value, setValue] = React.useState(parseColor('hsl(0, 100%, 50%)'));
  return (
    <>
      <MyColorArea
        value={value}
        onChange={setValue}
        xChannel="saturation"
        yChannel="lightness" />
      <p>Value: {value.toString('hex')}</p>
    </>
  );
}

import {parseColor} from 'react-aria-components';

function Example() {
  let [value, setValue] = React.useState(
    parseColor('hsl(0, 100%, 50%)')
  );
  return (
    <>
      <MyColorArea
        value={value}
        onChange={setValue}
        xChannel="saturation"
        yChannel="lightness"
      />
      <p>Value: {value.toString('hex')}</p>
    </>
  );
}

import {parseColor} from 'react-aria-components';

function Example() {
  let [value, setValue] =
    React.useState(
      parseColor(
        'hsl(0, 100%, 50%)'
      )
    );
  return (
    <>
      <MyColorArea
        value={value}
        onChange={setValue}
        xChannel="saturation"
        yChannel="lightness"
      />
      <p>
        Value:{' '}
        {value.toString(
          'hex'
        )}
      </p>
    </>
  );
}

HTML forms#

ColorArea supports the xName and yName props for integration with HTML forms. The values will be submitted as numbers between the minimum and maximum value for the corresponding channel in the X and Y direction.

<MyColorArea xName="red" yName="green" />

<MyColorArea xName="red" yName="green" />

<MyColorArea
  xName="red"
  yName="green"
/>

Events#

ColorArea supports two events: onChange and onChangeEnd. onChange is triggered whenever the ColorArea's handle is dragged, and onChangeEnd is triggered when the user stops dragging the handle. Both events receive a Color object as a parameter.

The example below uses onChange and onChangeEnd to update two separate elements with the ColorArea's value.

function Example() {
  let [currentValue, setCurrentValue] = React.useState(
    parseColor('hsl(50, 100%, 50%)')
  );
  let [finalValue, setFinalValue] = React.useState(currentValue);

  return (
    <div>
      <MyColorArea
        value={currentValue}
        onChange={setCurrentValue}
        onChangeEnd={setFinalValue}
      />
      <p>Current value: {currentValue.toString('hsl')}</p>
      <p>Final value: {finalValue.toString('hsl')}</p>
    </div>
  );
}

function Example() {
  let [currentValue, setCurrentValue] = React.useState(
    parseColor('hsl(50, 100%, 50%)')
  );
  let [finalValue, setFinalValue] = React.useState(
    currentValue
  );

  return (
    <div>
      <MyColorArea
        value={currentValue}
        onChange={setCurrentValue}
        onChangeEnd={setFinalValue}
      />
      <p>Current value: {currentValue.toString('hsl')}</p>
      <p>Final value: {finalValue.toString('hsl')}</p>
    </div>
  );
}

function Example() {
  let [
    currentValue,
    setCurrentValue
  ] = React.useState(
    parseColor(
      'hsl(50, 100%, 50%)'
    )
  );
  let [
    finalValue,
    setFinalValue
  ] = React.useState(
    currentValue
  );

  return (
    <div>
      <MyColorArea
        value={currentValue}
        onChange={setCurrentValue}
        onChangeEnd={setFinalValue}
      />
      <p>
        Current value:
        {' '}
        {currentValue
          .toString(
            'hsl'
          )}
      </p>
      <p>
        Final value:{' '}
        {finalValue
          .toString(
            'hsl'
          )}
      </p>
    </div>
  );
}

Creating a color picker#

To build a fully functional color picker, combine a ColorArea, which adjusts two channels of a color value, with a separate control, like a ColorSlider or ColorWheel, to adjust the value of the third channel.

import {ColorSlider, Label, SliderOutput, SliderTrack} from 'react-aria-components';

function Example() {
  let [color, setColor] = React.useState(parseColor('hsl(50, 100%, 50%)'));

  return (
    <div>
      <MyColorArea
        value={color}
        onChange={setColor}
        xChannel="saturation"
        yChannel="lightness"
      />
      <ColorSlider
        channel="hue"
        value={color}
        onChange={setColor}
        style={{ width: 192, marginTop: 8 }}
      >
        <Label />
        <SliderOutput />
        <SliderTrack>
          <ColorThumb />
        </SliderTrack>
      </ColorSlider>
      <p>Current value: {color.toString('hsl')}</p>
    </div>
  );
}

import {
  ColorSlider,
  Label,
  SliderOutput,
  SliderTrack
} from 'react-aria-components';

function Example() {
  let [color, setColor] = React.useState(
    parseColor('hsl(50, 100%, 50%)')
  );

  return (
    <div>
      <MyColorArea
        value={color}
        onChange={setColor}
        xChannel="saturation"
        yChannel="lightness"
      />
      <ColorSlider
        channel="hue"
        value={color}
        onChange={setColor}
        style={{ width: 192, marginTop: 8 }}
      >
        <Label />
        <SliderOutput />
        <SliderTrack>
          <ColorThumb />
        </SliderTrack>
      </ColorSlider>
      <p>Current value: {color.toString('hsl')}</p>
    </div>
  );
}

import {
  ColorSlider,
  Label,
  SliderOutput,
  SliderTrack
} from 'react-aria-components';

function Example() {
  let [color, setColor] =
    React.useState(
      parseColor(
        'hsl(50, 100%, 50%)'
      )
    );

  return (
    <div>
      <MyColorArea
        value={color}
        onChange={setColor}
        xChannel="saturation"
        yChannel="lightness"
      />
      <ColorSlider
        channel="hue"
        value={color}
        onChange={setColor}
        style={{
          width: 192,
          marginTop: 8
        }}
      >
        <Label />
        <SliderOutput />
        <SliderTrack>
          <ColorThumb />
        </SliderTrack>
      </ColorSlider>
      <p>
        Current value:
        {' '}
        {color.toString(
          'hsl'
        )}
      </p>
    </div>
  );
}

Disabled#

A color area can be disabled using the isDisabled prop. This prevents the thumb from being focused or dragged. It's up to you to style your color area to appear disabled accordingly.

<MyColorArea defaultValue="#ff0" isDisabled />

<MyColorArea defaultValue="#ff0" isDisabled />

<MyColorArea
  defaultValue="#ff0"
  isDisabled
/>

Show CSS

.react-aria-ColorArea {
  &[data-disabled] {
    background: gray !important;

    .react-aria-ColorThumb {
      background: gray !important;
    }
  }
}

.react-aria-ColorArea {
  &[data-disabled] {
    background: gray !important;

    .react-aria-ColorThumb {
      background: gray !important;
    }
  }
}

.react-aria-ColorArea {
  &[data-disabled] {
    background: gray !important;

    .react-aria-ColorThumb {
      background: gray !important;
    }
  }
}

Labeling#

By default, ColorArea provides an aria-label for the localized string "Color Picker", which labels the visually hidden <input> elements for the two color channels. If you wish to override this with a more specific label, an aria-label or aria-labelledby prop may be passed to further identify the element to assistive technologies.

For example, for a ColorArea that adjusts a background color you might pass the aria-label prop, "Background color". If you provide your own aria-label or aria-labelledby, be sure to localize the string appropriately.

<div style={{ display: 'flex', gap: 8, alignItems: 'end', flexWrap: 'wrap' }}>
  <MyColorArea
    aria-label="Background color"    defaultValue="hsl(0, 100%, 50%)"
    xChannel="saturation"
    yChannel="lightness"
  />
  <div>
    <label id="hsl-aria-labelledby-id">Background color</label>    <MyColorArea
      aria-labelledby="hsl-aria-labelledby-id"      defaultValue="hsl(0, 100%, 50%)"
      xChannel="saturation"
      yChannel="lightness"
    />
  </div>
</div>

<div
  style={{
    display: 'flex',
    gap: 8,
    alignItems: 'end',
    flexWrap: 'wrap'
  }}
>
  <MyColorArea
    aria-label="Background color"    defaultValue="hsl(0, 100%, 50%)"
    xChannel="saturation"
    yChannel="lightness"
  />
  <div>
    <label id="hsl-aria-labelledby-id">
      Background color
    </label>    <MyColorArea
      aria-labelledby="hsl-aria-labelledby-id"      defaultValue="hsl(0, 100%, 50%)"
      xChannel="saturation"
      yChannel="lightness"
    />
  </div>
</div>

<div
  style={{
    display: 'flex',
    gap: 8,
    alignItems: 'end',
    flexWrap: 'wrap'
  }}
>
  <MyColorArea
    aria-label="Background color"    defaultValue="hsl(0, 100%, 50%)"
    xChannel="saturation"
    yChannel="lightness"
  />
  <div>
    <label id="hsl-aria-labelledby-id">
      Background color
    </label>    <MyColorArea
      aria-labelledby="hsl-aria-labelledby-id"      defaultValue="hsl(0, 100%, 50%)"
      xChannel="saturation"
      yChannel="lightness"
    />
  </div>
</div>

Accessibility#

Role description#

In order to communicate to a screen reader user that the ColorArea adjusts in two dimensions, ColorArea provides an aria-roledescription, using the localized string "2D Slider", on each of the visually hidden <input> elements.

Value formatting#

The aria-valuetext of each <input> element within the ColorArea is formatted according to the user's locale automatically. It will include the localized color channel name and current value for each channel, along with a localized description of the selected color (e.g. "dark vibrant blue").

Internationalization#

In right-to-left languages, color areas should be mirrored. Orientation of the gradient background, positioning of the thumb, and dragging behavior is automatically mirrored by ColorArea.

Props#

ColorArea#

Name	Type	Description
`xName`	`string`	The name of the x channel input element, used when submitting an HTML form. See MDN.
`yName`	`string`	The name of the y channel input element, used when submitting an HTML form. See MDN.
`colorSpace`	`ColorSpace`	The color space that the color area operates in. The `xChannel` and `yChannel` must be in this color space. If not provided, this defaults to the color space of the `color` or `defaultColor` value.
`xChannel`	`ColorChannel`	Color channel for the horizontal axis.
`yChannel`	`ColorChannel`	Color channel for the vertical axis.
`isDisabled`	`boolean`	Whether the ColorArea is disabled.
`value`	`T`	The current value (controlled).
`defaultValue`	`T`	The default value (uncontrolled).
`children`	`ReactNode \| ( (values: ColorAreaRenderProps & & {defaultChildren: ReactNode \| \| undefined } )) => ReactNode`	The children of the component. A function may be provided to alter the children based on component state.
`className`	`string \| ( (values: ColorAreaRenderProps & & {defaultClassName: string \| \| undefined } )) => string`	The CSS className for the element. A function may be provided to compute the class based on component state.
`style`	`CSSProperties \| ( (values: ColorAreaRenderProps & & {defaultStyle: CSSProperties } )) => CSSProperties \| undefined`	The inline style for the element. A function may be provided to compute the style based on component state.

Events

Name	Type	Description
`onChange`	`( (value: Color )) => void`	Handler that is called when the value changes, as the user drags.
`onChangeEnd`	`( (value: Color )) => void`	Handler that is called when the user stops dragging.

Layout

Name	Type	Description
`slot`	`string \| null`	A slot name for the component. Slots allow the component to receive props from a parent component. An explicit `null` value indicates that the local props completely override all props received from a parent.

Accessibility

Name	Type	Description
`id`	`string`	The element's unique identifier. See MDN.
`aria-label`	`string`	Defines a string value that labels the current element.
`aria-labelledby`	`string`	Identifies the element (or elements) that labels the current element.
`aria-describedby`	`string`	Identifies the element (or elements) that describes the object.
`aria-details`	`string`	Identifies the element (or elements) that provide a detailed, extended description for the object.

ColorThumb#

The <ColorThumb> component renders a draggable thumb with a preview of the selected color.

Show props

Name	Type	Description
`children`	`ReactNode \| ( (values: ColorThumbRenderProps & & {defaultChildren: ReactNode \| \| undefined } )) => ReactNode`	The children of the component. A function may be provided to alter the children based on component state.
`className`	`string \| ( (values: ColorThumbRenderProps & & {defaultClassName: string \| \| undefined } )) => string`	The CSS className for the element. A function may be provided to compute the class based on component state.
`style`	`CSSProperties \| ( (values: ColorThumbRenderProps & & {defaultStyle: CSSProperties } )) => CSSProperties \| undefined`	The inline style for the element. A function may be provided to compute the style based on component state.

Events

Name	Type	Description
`onHoverStart`	`( (e: HoverEvent )) => void`	Handler that is called when a hover interaction starts.
`onHoverEnd`	`( (e: HoverEvent )) => void`	Handler that is called when a hover interaction ends.
`onHoverChange`	`( (isHovering: boolean )) => void`	Handler that is called when the hover state changes.

Styling#

React Aria components can be styled in many ways, including using CSS classes, inline styles, utility classes (e.g. Tailwind), CSS-in-JS (e.g. Styled Components), etc. By default, all components include a builtin className attribute which can be targeted using CSS selectors. These follow the react-aria-ComponentName naming convention.

.react-aria-ColorArea {
  /* ... */
}

.react-aria-ColorArea {
  /* ... */
}

.react-aria-ColorArea {
  /* ... */
}

A custom className can also be specified on any component. This overrides the default className provided by React Aria with your own.

<ColorArea className="my-color-area">
  {/* ... */}
</ColorArea>

<ColorArea className="my-color-area">
  {/* ... */}
</ColorArea>

<ColorArea className="my-color-area">
  {/* ... */}
</ColorArea>

In addition, some components support multiple UI states (e.g. focused, placeholder, readonly, etc.). React Aria components expose states using data attributes, which you can target in CSS selectors. For example:

.react-aria-ColorThumb[data-dragging] {
  /* ... */
}

.react-aria-ColorThumb[data-focused] {
  /* ... */
}

.react-aria-ColorThumb[data-dragging] {
  /* ... */
}

.react-aria-ColorThumb[data-focused] {
  /* ... */
}

.react-aria-ColorThumb[data-dragging] {
  /* ... */
}

.react-aria-ColorThumb[data-focused] {
  /* ... */
}

The className and style props also accept functions which receive states for styling. This lets you dynamically determine the classes or styles to apply, which is useful when using utility CSS libraries like Tailwind.

<ColorThumb
  className={({ isDragging }) => isDragging ? 'scale-150' : 'scale-100'}
/>

<ColorThumb
  className={({ isDragging }) =>
    isDragging ? 'scale-150' : 'scale-100'}
/>

<ColorThumb
  className={(
    { isDragging }
  ) =>
    isDragging
      ? 'scale-150'
      : 'scale-100'}
/>

The states, selectors, and render props for each component used in a ColorArea are documented below.

ColorArea#

The ColorArea component can be targeted with the .react-aria-ColorArea CSS selector, or by overriding with a custom className. It supports the following states:

Name	CSS Selector	Description
`isDisabled`	`[data-disabled]`	Whether the color area is disabled.
`state`	`—`	State of the color area.

ColorThumb#

The ColorThumb component can be targeted with the .react-aria-ColorThumb CSS selector, or by overriding with a custom className. It supports the following states:

Name	CSS Selector	Description
`color`	`—`	The selected color, excluding the alpha channel.
`isDragging`	`[data-dragging]`	Whether this thumb is currently being dragged.
`isHovered`	`[data-hovered]`	Whether the thumb is currently hovered with a mouse.
`isFocused`	`[data-focused]`	Whether the thumb is currently focused.
`isFocusVisible`	`[data-focus-visible]`	Whether the thumb is keyboard focused.
`isDisabled`	`[data-disabled]`	Whether the thumb is disabled.

Advanced customization#

Contexts#

All React Aria Components export a corresponding context that can be used to send props to them from a parent element. This enables you to build your own compositional APIs similar to those found in React Aria Components itself. You can send any prop or ref via context that you could pass to the corresponding component. The local props and ref on the component are merged with the ones passed via context, with the local props taking precedence (following the rules documented in mergeProps).

Component	Context	Props	Ref
`ColorArea`	`ColorAreaContext`	`ColorAreaProps`	`HTMLDivElement`

This example shows a ColorAreaDescription component that accepts a color wheel in its children and renders a description element below it. It uses the useId hook to generate a unique id for the description, and associates it with the color wheel via the aria-describedby attribute passed to the ColorAreaContext provider.

import {ColorAreaContext} from 'react-aria-components';
import {useId} from 'react-aria';

interface ColorAreaDescriptionProps {
  children?: React.ReactNode;
  description?: string;
}

function ColorAreaDescription(
  { children, description }: ColorAreaDescriptionProps
) {
  let descriptionId = useId();
  return (
    <div>
      <ColorAreaContext.Provider value={{ 'aria-describedby': descriptionId }}>        {children}
      </ColorAreaContext.Provider>
      <small id={descriptionId}>{description}</small>
    </div>
  );
}

<ColorAreaDescription description="Choose a background color for your profile.">
  <MyColorArea />
</ColorAreaDescription>

import {ColorAreaContext} from 'react-aria-components';
import {useId} from 'react-aria';

interface ColorAreaDescriptionProps {
  children?: React.ReactNode;
  description?: string;
}

function ColorAreaDescription(
  { children, description }: ColorAreaDescriptionProps
) {
  let descriptionId = useId();
  return (
    <div>
      <ColorAreaContext.Provider
        value={{ 'aria-describedby': descriptionId }}
      >        {children}
      </ColorAreaContext.Provider>
      <small id={descriptionId}>{description}</small>
    </div>
  );
}

<ColorAreaDescription description="Choose a background color for your profile.">
  <MyColorArea />
</ColorAreaDescription>

import {ColorAreaContext} from 'react-aria-components';
import {useId} from 'react-aria';

interface ColorAreaDescriptionProps {
  children?:
    React.ReactNode;
  description?: string;
}

function ColorAreaDescription(
  {
    children,
    description
  }: ColorAreaDescriptionProps
) {
  let descriptionId =
    useId();
  return (
    <div>
      <ColorAreaContext.Provider
        value={{
          'aria-describedby':
            descriptionId
        }}
      >        {children}
      </ColorAreaContext.Provider>
      <small
        id={descriptionId}
      >
        {description}
      </small>
    </div>
  );
}

<ColorAreaDescription description="Choose a background color for your profile.">
  <MyColorArea />
</ColorAreaDescription>

State#

ColorArea provides a ColorAreaState object to its children via ColorAreaStateContext. This can be used to access and manipulate the color area's state.

Hooks#

If you need to customize things even further, such as accessing internal state or customizing DOM structure, you can drop down to the lower level Hook-based API. See useColorArea for more details.

Represents a color value.

Method	Description
`toFormat( (format: ColorFormat )): Color`	Converts the color to the given color format, and returns a new Color object.
`toString( (format?: ColorFormat \| \| 'css' )): string`	Converts the color to a string in the given format.
`clone(): Color`	Returns a duplicate of the color value.
`toHexInt(): number`	Converts the color to hex, and returns an integer representation.
`getChannelValue( (channel: ColorChannel )): number`	Returns the numeric value for a given channel. Throws an error if the channel is unsupported in the current color format.
`withChannelValue( (channel: ColorChannel, , value: number )): Color`	Sets the numeric value for a given channel, and returns a new Color object. Throws an error if the channel is unsupported in the current color format.
`getChannelRange( (channel: ColorChannel )): ColorChannelRange`	Returns the minimum, maximum, and step values for a given channel.
`getChannelName( (channel: ColorChannel, , locale: string )): string`	Returns a localized color channel name for a given channel and locale, for use in visual or accessibility labels.
`getChannelFormatOptions( (channel: ColorChannel )): Intl.NumberFormatOptions`	Returns the number formatting options for the given channel.
`formatChannelValue( (channel: ColorChannel, , locale: string )): string`	Formats the numeric value for a given channel for display according to the provided locale.
`getColorSpace(): ColorSpace`	Returns the color space, 'rgb', 'hsb' or 'hsl', for the current color.
`getColorSpaceAxes( (xyChannels: {xChannel?: ColorChannel, yChannel?: ColorChannel } )): ColorAxes`	Returns the color space axes, xChannel, yChannel, zChannel.
`getColorChannels(): [ ColorChannel, ColorChannel, ColorChannel ]`	Returns an array of the color channels within the current color space space.
`getColorName( (locale: string )): string`	Returns a localized name for the color, for use in visual or accessibility labels.
`getHueName( (locale: string )): string`	Returns a localized name for the hue, for use in visual or accessibility labels.

A list of supported color formats.

'hex'
  | 'hexa'
  | 'rgb'
  | 'rgba'
  | 'hsl'
  | 'hsla'
  | 'hsb'
  | 'hsba'

A list of color channels.

'hue'
  | 'saturation'
  | 'brightness'
  | 'lightness'
  | 'red'
  | 'green'
  | 'blue'
  | 'alpha'

Name	Type	Description
`minValue`	`number`	The minimum value of the color channel.
`maxValue`	`number`	The maximum value of the color channel.
`step`	`number`	The step value of the color channel, used when incrementing and decrementing.
`pageSize`	`number`	The page step value of the color channel, used when incrementing and decrementing.

'rgb'
  | 'hsl'
  | 'hsb'

{xChannel: ColorChannel,
yChannel: ColorChannel,
zChannel: ColorChannel
}

Parses a color from a string value. Throws an error if the string could not be parsed.

parseColor(
  (value: string
)): Color

Name	Type	Description
`isDisabled`	`boolean`	Whether the color area is disabled.
`state`	`ColorAreaState`	State of the color area.

Properties

Name	Type	Description
`value`	`Color`	The current color value displayed by the color area.
`xValue`	`number`	The current value of the horizontal axis channel displayed by the color area.
`yValue`	`number`	The current value of the vertical axis channel displayed by the color area.
`isDragging`	`boolean`	Whether the color area is currently being dragged.
`channels`	`{xChannel: ColorChannel, yChannel: ColorChannel, zChannel: ColorChannel }`	Returns the xChannel, yChannel and zChannel names based on the color value.
`xChannelStep`	`number`	The step value of the xChannel, used when incrementing and decrementing.
`yChannelStep`	`number`	The step value of the yChannel, used when incrementing and decrementing.
`xChannelPageStep`	`number`	The page step value of the xChannel, used when incrementing and decrementing.
`yChannelPageStep`	`number`	The page step value of the yChannel, used when incrementing and decrementing.

Methods

Method	Description
`setValue( (value: string \| \| Color )): void`	Sets the current color value. If a string is passed, it will be parsed to a Color.
`setXValue( (value: number )): void`	Sets the value for the horizontal axis channel displayed by the color area, and triggers `onChange`.
`setYValue( (value: number )): void`	Sets the value for the vertical axis channel displayed by the color area, and triggers `onChange`.
`setColorFromPoint( (x: number, , y: number )): void`	Sets the x and y channels of the current color value based on a percentage of the width and height of the color area, and triggers `onChange`.
`getThumbPosition(): {x: number, y: number }`	Returns the coordinates of the thumb relative to the upper left corner of the color area as a percentage.
`incrementX( (stepSize?: number )): void`	Increments the value of the horizontal axis channel by the channel step or page amount.
`decrementX( (stepSize?: number )): void`	Decrements the value of the horizontal axis channel by the channel step or page amount.
`incrementY( (stepSize?: number )): void`	Increments the value of the vertical axis channel by the channel step or page amount.
`decrementY( (stepSize?: number )): void`	Decrements the value of the vertical axis channel by the channel step or page amount.
`setDragging( (value: boolean )): void`	Sets whether the color area is being dragged.
`getDisplayColor(): Color`	Returns the color that should be displayed in the color area thumb instead of `value`.

Name	Type	Description
`color`	`Color`	The selected color, excluding the alpha channel.
`isDragging`	`boolean`	Whether this thumb is currently being dragged.
`isHovered`	`boolean`	Whether the thumb is currently hovered with a mouse.
`isFocused`	`boolean`	Whether the thumb is currently focused.
`isFocusVisible`	`boolean`	Whether the thumb is keyboard focused.
`isDisabled`	`boolean`	Whether the thumb is disabled.

Name	Type	Description
`type`	`'hoverstart' \| 'hoverend'`	The type of hover event being fired.
`pointerType`	`'mouse' \| 'pen'`	The pointer type that triggered the hover event.
`target`	`HTMLElement`	The target element of the hover event.

Name	Type	Description
`xName`	`string`	The name of the x channel input element, used when submitting an HTML form. See MDN.
`yName`	`string`	The name of the y channel input element, used when submitting an HTML form. See MDN.
`colorSpace`	`ColorSpace`	The color space that the color area operates in. The `xChannel` and `yChannel` must be in this color space. If not provided, this defaults to the color space of the `color` or `defaultColor` value.
`xChannel`	`ColorChannel`	Color channel for the horizontal axis.
`yChannel`	`ColorChannel`	Color channel for the vertical axis.
`isDisabled`	`boolean`	Whether the ColorArea is disabled.
`onChange`	`( (value: Color )) => void`	Handler that is called when the value changes, as the user drags.
`onChangeEnd`	`( (value: Color )) => void`	Handler that is called when the user stops dragging.
`value`	`T`	The current value (controlled).
`defaultValue`	`T`	The default value (uncontrolled).
`id`	`string`	The element's unique identifier. See MDN.
`aria-label`	`string`	Defines a string value that labels the current element.
`aria-labelledby`	`string`	Identifies the element (or elements) that labels the current element.
`aria-describedby`	`string`	Identifies the element (or elements) that describes the object.
`aria-details`	`string`	Identifies the element (or elements) that provide a detailed, extended description for the object.
`children`	`ReactNode \| ( (values: ColorAreaRenderProps & & {defaultChildren: ReactNode \| \| undefined } )) => ReactNode`	The children of the component. A function may be provided to alter the children based on component state.
`className`	`string \| ( (values: ColorAreaRenderProps & & {defaultClassName: string \| \| undefined } )) => string`	The CSS className for the element. A function may be provided to compute the class based on component state.
`style`	`CSSProperties \| ( (values: ColorAreaRenderProps & & {defaultStyle: CSSProperties } )) => CSSProperties \| undefined`	The inline style for the element. A function may be provided to compute the style based on component state.
`slot`	`string \| null`	A slot name for the component. Slots allow the component to receive props from a parent component. An explicit `null` value indicates that the local props completely override all props received from a parent.