colormath/com.github.ajalt.colormath.calculate

Package-level declarations

Functions

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fun Color.differenceCIE2000(other: Color): Float

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

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fun Color.differenceCIE76(other: Color): Float

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

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fun Color.differenceCIE94(other: Color, textiles: Boolean = false): Float

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

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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.

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fun Color.differenceEz(other: Color): Float

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

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fun <T : Color> T.euclideanDistance(other: T): Float

Calculate the euclidean distance between this color and other.

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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.

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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.

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fun Color.isInSRGBGamut(): Boolean

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

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fun Color.mostContrasting(vararg colors: Color): Color

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

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fun Color.wcagContrastRatio(other: Color): Float

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

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fun Color.wcagLuminance(): Float

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