HWB

data class HWB(val h: Float, val w: Float, val b: Float, val alpha: Float = 1.0f) : Color, HueColor

A color model represented with Hue, Whiteness, and Blackness.

This is a cylindrical representation of the sRGB space used in RGB.

ComponentDescriptionRange
hhue, degrees[0, 360)
wwhiteness[0, 1]
bblackness[0, 1]

Constructors

Link copied to clipboard
constructor(h: Number, w: Number, b: Number, alpha: Number = 1.0f)
constructor(h: Float, w: Float, b: Float, alpha: Float = 1.0f)

Types

Link copied to clipboard

Default constructors for the HWB color model.

Properties

Link copied to clipboard
open override val alpha: Float = 1.0f

The opacity of this color, in the range [0, 1], or NaN if the opacity is unspecified

Link copied to clipboard
val b: Float
Link copied to clipboard
open override val h: Float

The hue, as degrees in the range [0, 360)

Link copied to clipboard
open override val space: ColorSpace<HWB>

The color space describing this color

Link copied to clipboard
val w: Float

Functions

Link copied to clipboard
open override fun clamp(): HWB

Return a copy of this color with all component values in their reference range.

Link copied to clipboard
fun <T : Color> Color.convertTo(space: ColorSpace<T>): T

Convert this color to a given space.

Link copied to clipboard

Calculate the difference ΔEab between this color and other using the CIE 2000 recommendation.

Link copied to clipboard

Calculate the difference ΔEab between this color and other using the CIE 1976 recommendation.

Link copied to clipboard
fun Color.differenceCIE94(other: Color, textiles: Boolean = false): Float

Calculate the difference ΔEab between this color and other using the CIE 1994 recommendation.

Link copied to clipboard
fun Color.differenceCMC(other: Color, l: Float = 2.0f, c: Float = 1.0f): Float

Calculate the difference ΔEcmc between this color and other using the Colour Measurement Committee recommendation.

Link copied to clipboard

Calculate the difference ΔEz between this color and other using the JzAzBz color space.

Link copied to clipboard
fun Color.firstWithContrast(vararg colors: Color, targetContrast: Float): Color

Return the first color with a contrast ratio exceeding the targetContrast against this color. If no color meets the target, black or white will be returned, whichever has the most contrast.

Link copied to clipboard
fun Color.firstWithContrastOrNull(vararg colors: Color, targetContrast: Float): Color?

Return the first color with a contrast ratio greater or equal to the targetContrast against this color, or null if no color meets the target.

Link copied to clipboard
fun Color.formatCssString(hueUnit: AngleUnit = AngleUnit.AUTO, renderAlpha: RenderCondition = RenderCondition.AUTO, unitsPercent: Boolean = false, alphaPercent: Boolean = false, legacyName: Boolean = false, legacyFormat: Boolean = false, customColorSpaces: Map<String, ColorSpace<*>> = emptyMap()): String

Render this color in CSS functional notation.

Link copied to clipboard
fun Color.formatCssStringOrNull(hueUnit: AngleUnit = AngleUnit.AUTO, renderAlpha: RenderCondition = RenderCondition.AUTO, unitsPercent: Boolean = false, alphaPercent: Boolean = false, legacyName: Boolean = false, legacyFormat: Boolean = false, customColorSpaces: Map<String, ColorSpace<*>> = emptyMap()): String?

Render this color in CSS functional notation if this color space is defined in the CSS standard, or return null if this color is in another color space.

Link copied to clipboard

Convert this color's hue to gradians (360° == 400 gradians)

Link copied to clipboard

Convert this color's hue to radians (360° == 2π radians)

Link copied to clipboard

Convert this color's hue to turns (360° == 1 turn)

Link copied to clipboard
fun HueColor.hueOr(whenNaN: Number): Float

If this color's hue is NaN (meaning the hue is undefined), return whenNaN. Otherwise, return the hue unchanged.

Link copied to clipboard

Return true if all channels of this color, when converted to sRGB, lie in the range [0, 1]

Link copied to clipboard
fun Color.mostContrasting(vararg colors: Color): Color

Return the color with the highest contrast ratio against this color.

Link copied to clipboard
open fun toAnsi16(): Ansi16

Convert this color to a 16-color ANSI code

Link copied to clipboard
open fun toAnsi256(): Ansi256

Convert this color to a 256-color ANSI code

Link copied to clipboard
open override fun toArray(): FloatArray

Create a FloatArray containing all components of this color, with the alpha as the last component

Link copied to clipboard
open fun toCMYK(): CMYK

Convert this color to device-independent CMYK

Link copied to clipboard
open fun toHPLuv(): HPLuv

Convert this color to HPLuv

Link copied to clipboard
open fun toHSL(): HSL

Convert this color to HSL

Link copied to clipboard
open fun toHSLuv(): HSLuv

Convert this color to HSLuv

Link copied to clipboard
open override fun toHSV(): HSV

Convert this color to HSV

Link copied to clipboard
open override fun toHWB(): HWB

Convert this color to HWB

Link copied to clipboard
open fun toICtCp(): ICtCp

Convert this color to ICtCp

Link copied to clipboard
open fun toJzAzBz(): JzAzBz

Convert this color to JzAzBz

Link copied to clipboard
open fun toJzCzHz(): JzCzHz

Convert this color to JzCzHz

Link copied to clipboard
open fun toLAB(): LAB

Convert this color to CIE LAB

Link copied to clipboard
open fun toLCHab(): LCHab

Convert this color to CIE LCh(ab)

Link copied to clipboard
open fun toLCHuv(): LCHuv

Convert this color to CIE LCh(uv)

Link copied to clipboard
open fun toLUV(): LUV

Convert this color to CIE LUV

Link copied to clipboard
open fun toOklab(): Oklab

Convert this color to Oklab

Link copied to clipboard
open fun toOklch(): Oklch

Convert this color to Oklch

Link copied to clipboard
open override fun toSRGB(): RGB

Convert this color to sRGB

Link copied to clipboard
open fun toXYZ(): XYZ

Convert this color to CIE XYZ

Link copied to clipboard

Calculate the contrast ration of this color with other according to the Web Content Accessibility Guidelines

Link copied to clipboard

Calculate the relative luminance of this color according to the Web Content Accessibility Guidelines