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A tiny color library. Create (dymanic and fixed) radial and linear gradients, convert rgb, hex, hue, hsl and css colors.

kandinsky-dart #

Full ported version of francisrstokes/kandinsky-js

A tiny color library to create (dymanic and fixed) radial and linear gradients, convert rgb, hue, hex, hsl and css colors.

Usage #

A simple usage example:

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

main() {
  var darkenHexColor = darkenHex(0.5, '#6699CC');
  print('my darken hex color: ${darkenHexColor}');

  var lightenHexColor = lightenHex(0.5, '#06795C');
  print('my lighten hex color: ${lightenHexColor}');

  var darkenRgbColor = darkenRgb(0.5, [180, 40, 20]);
  print('my darken rgb color: ${darkenRgbColor}');

  var lightenRgbColor = lightenRgb(0.5, [155, 90, 60]);
  print('my lighten rgb color: ${lightenRgbColor}');

  var myDynamicGradient = linearGradient(10, [255, 100, 50], [30, 200, 255]);
  print('my gradient with 10 colors: ${myDynamicGradient}');

  var myHslColorFromRgb = rgb2hsl([255, 255, 255]);
  print('my hsl color from a rgb color: ${myHslColorFromRgb}');
}

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)

color2hue(num p, num q, num t) #

returns a saturation of a specific color value


num color2hue(num colorValue, num shading, num tint)

Features and bugs #

Please file feature requests and bugs at the issue tracker.

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Publisher

verified publisherborges.ninja

A tiny color library. Create (dymanic and fixed) radial and linear gradients, convert rgb, hex, hue, hsl and css colors.

Repository (GitHub)
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License

MIT (LICENSE)

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