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A tiny color library

kandinsky-dart #

Full ported version of francisrstokes/kandinsky-js

Usage #

A simple usage example:

import 'package:kandinsky/kandinsky.dart' as kandinsky;

main() {
  var myDarkenHex = kandinsky.darkenHex(0.5, '#6699CC');
}

API #

rgb2hsl(rgbArray) #

returns a hsl array


List<num> rgb2hsl(List<num> color)

hsl2rgb(hslArray) #

returns an rgb array


List<num> hsl2rgb(List<num> color)

hex2rgb(hexString) #

returns an rgb array


List<num> hex2rgb(String hex)

rgb2hex(rgbArray) #

returns a hex string


String rgb2hex(List<num> rgb)

hex2hsl(hexString) #

returns a hsl array


List<num> hex2hsl(String hex)

hsl2hex(hslArray) #

returns a hex string


String hsl2hex(List<num> color)

darkenRgb(amount, rgbArray) #

returns a darkened rgb array. amount is a value in the range [0, 1]


List<num> darkenRgb(num amount, List<num> rgb)

lightenRgb(amount, rgbArray) #

returns a lightened rgb array. amount is a value in the range [0, 1]


List<num> lightenRgb(num amount, List<num> rgb)

darkenHsl(amount, hslArray) #

returns a darkened hsl array. amount is a value in the range [0, 1]


List<num> darkenHsl(num amount, List<num> color)

lightenHsl(amount, hslArray) #

returns a lightened hsl array. amount is a value in the range [0, 1]


List<num> lightenHsl(num amount, List<num> color)

lightenHex(amount, hexString) #

returns a lightened hex string. amount is a value in the range [0, 1]


String lightenHex(num amount, String hex)

darkenHex(amount, hexString) #

returns a darkened hex string. amount is a value in the range [0, 1]


String darkenHex(num amount, String hex)

lerp3(t, c1, c2) #

returns a Vector3 colour somewhere between c1 and c2. t is the "time" value in the range [0, 1]


List<num> lerp3(num t, List<num> color1, List<num> color2)

linearGradient(n, c1, c2) #

returns an length n array of Vector3 colours. colours are evenly spaced between c1 and c2.


List<List<num>> linearGradient(num n, List<num> color1, List<num> color2)

gradient(easeFn, n, c1, c2) #

returns an length n array of Vector3 colours. colours are between color1 and color2, and are spaced according to the easing function easeFn.


List<List<num>> gradient(Function ease, int n, List<num> color1, List<num> color2)

multiGradient(n, [col1, col3, ..., colN]) #

returns a length n array of Vector3 colours. colours are the ones formed from the linearGradient(n/(numColours-1), col1, col2) for all colours col1, col2, ..., colN


List<List<num>> multiGradient(num n, List<List<num>> colors)

rLinearGradient(n, c1, c2) #

returns a rounded, length n array of Vector3 colours. colours are evenly spaced between color1 and color2.


List<List<num>> rLinearGradient(num n, List<num> color1, List<num> color2)

rGradient(easeFn, n, c1, c2) #

returns a rounded, length n array of Vector3 colours. colours are between color1 and color2, and are spaced according to the easing function easeFn.


List<List<num>> rGradient(Function ease, num n, List<num> color1, List<num> color2)

rMultiGradient(n, [col1, col3, ..., colN]) #

returns a rounded, length n array of Vector3 colours. colours are the ones formed from the linearGradient(n/(numColours-1), col1, col2) for all colours col1, col2, ..., colN


List<List<num>> rMultiGradient(num n, List<List<num>> colors)

complimentHex(n, hexString) #

returns an length n array of hex strings. The 0th color is the same as the input hexString, while the others are colours corresponding to an eve turn around the colour wheel. If n is 3 for example, the two other colours would represent a 1/3 and 2/3 rotation of the colour wheel.


List<String> complimentHex(num n, String hex)

complimentHsl(n, hsl) #

returns an length n array of hsl Vector3. The 0th color is the same as the input hsl, while the others are colours corresponding to an eve turn around the colour wheel. If n is 3 for example, the two other colours would represent a 1/3 and 2/3 rotation of the colour wheel.


List<List<num>> complimentHsl(num n, List<num> color)

complimentRgb(n, rgb) #

returns an length n array of rgb Vector3. The 0th color is the same as the input rgb, while the others are colours corresponding to an eve turn around the colour wheel. If n is 3 for example, the two other colours would represent a 1/3 and 2/3 rotation of the colour wheel.


List<List<num>> complimentRgb(num n, List<num> color)

rgb2css(alpha, rgb) #

returns an rgba css string like rgba(255, 255, 255, 1) from the rgb color and alpha value


String rgb2css(num alpha, List<num> color)

hsl2css(alpha, hsl) #

returns an hsl css string like hsl(222, 50%, 75%, 0.6) from the hsl color and alpha value


String hsl2css(num alpha, List<num> hsl)

Features and bugs #

Please file feature requests and bugs at the issue tracker.