Creates a random bright, "pimpy" color through restricted HCL space. This is slower than FastHappyColor but will likely give you colors which have the same "brightness" if you run it many times.

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hcl_to_lab(h : Float64, c : Float64, l : Float64) : Tuple(Float64, Float64, Float64)

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hex(input : String) : Color

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hpluv_to_luv_lch(h : Float64, s : Float64, l : Float64) : Tuple(Float64, Float64, Float64)

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hsluv_to_luv_lch(h : Float64, s : Float64, l : Float64) : Tuple(Float64, Float64, Float64)

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interp_angle(a0 : Float64, a1 : Float64, t : Float64) : Float64

Utility used by Hxx color-spaces for interpolating between two angles in [0,360].

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lab_to_hcl(l : Float64, a : Float64, b : Float64) : Tuple(Float64, Float64, Float64)

Helper functions for HCL conversions (polar Lab)

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lab_to_xyz_white_ref(l : Float64, a : Float64, b : Float64, wref : Array(Float64)) : Tuple(Float64, Float64, Float64)

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linear_rgb_to_xyz(r : Float64, g : Float64, b : Float64) : Tuple(Float64, Float64, Float64)

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luv_lch_to_hpluv(l : Float64, c : Float64, h : Float64) : Tuple(Float64, Float64, Float64)

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luv_lch_to_hsluv(l : Float64, c : Float64, h : Float64) : Tuple(Float64, Float64, Float64)

Helper functions for HSLuv/HPLuv conversions

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luv_lch_to_luv(l : Float64, c : Float64, h : Float64) : Tuple(Float64, Float64, Float64)

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luv_to_luv_lch(l : Float64, u : Float64, v : Float64) : Tuple(Float64, Float64, Float64)

Helper functions for LuvLCh conversions (polar Luv)

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luv_to_xyz_white_ref(l : Float64, u : Float64, v : Float64, wref : Array(Float64)) : Tuple(Float64, Float64, Float64)

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make_color(input : Color) : Color

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make_color(col : ColorConvertible) : Tuple(Color, Bool)

Constructs a Color from something implementing ColorConvertible (similar to Go's color.Color). Returns a tuple of {Color, Bool} where the bool indicates success (alpha > 0).

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oklab_to_oklch(l : Float64, a : Float64, b : Float64) : Tuple(Float64, Float64, Float64)

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oklab_to_xyz(l : Float64, a : Float64, b : Float64) : Tuple(Float64, Float64, Float64)

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oklch_to_oklab(l : Float64, c : Float64, h : Float64) : Tuple(Float64, Float64, Float64)

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soft_palette(colors_count : Int32) : Array(Color)

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soft_palette_ex(colors_count : Int32, settings : SoftPaletteSettings) : Array(Color)

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soft_palette_ex_with_rand(colors_count : Int32, settings : SoftPaletteSettings, rand : Random) : Array(Color)

Yeah, windows-stype Foo, FooEx, screw you golang... Uses K-means to cluster the color-space and return the means of the clusters as a new palette of distinctive colors. Falls back to K-medoid if the mean happens to fall outside of the color-space, which can only happen if you specify a CheckColor function.

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soft_palette_with_rand(colors_count : Int32, rand : Random) : Array(Color)

A wrapper which uses common parameters.

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sorted(cs : Array(Color)) : Array(Color)

Sorted sorts a list of Color values. Sorting is not a well-defined operation for colors so the intention here primarily is to order colors so that the transition from one to the next is fairly smooth.

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sq(v : Float64) : Float64

Helper math functions

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warm_color

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warm_color_with_rand(rand : Random) : Color

Creates a random dark, "warm" color through restricted HCL space. This is slower than FastWarmColor but will likely give you colors which have the same "warmness" if you run it many times.

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xyy_to_xyz(x_xy : Float64, y_xy : Float64, yy : Float64) : Tuple(Float64, Float64, Float64)

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xyz_to_lab_white_ref(x : Float64, y : Float64, z : Float64, wref : Array(Float64)) : Tuple(Float64, Float64, Float64)

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xyz_to_linear_rgb(x : Float64, y : Float64, z : Float64) : Tuple(Float64, Float64, Float64)

Helper functions for RGB/XYZ conversions

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xyz_to_luv_white_ref(x : Float64, y : Float64, z : Float64, wref : Array(Float64)) : Tuple(Float64, Float64, Float64)

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xyz_to_oklab(x : Float64, y : Float64, z : Float64) : Tuple(Float64, Float64, Float64)

Helper functions for OkLab conversions

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xyz_to_uv(x : Float64, y : Float64, z : Float64) : Tuple(Float64, Float64)

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xyz_to_xyy(x : Float64, y : Float64, z : Float64) : Tuple(Float64, Float64, Float64)

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xyz_to_xyy_white_ref(x : Float64, y : Float64, z : Float64, wref : Array(Float64)) : Tuple(Float64, Float64, Float64)

Helper functions for xyY conversions

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Constants

Class methods

Nested types