color

Documentation

Overview

Package color provides color convention and useful functions

Package color provides color convention and useful functions

Package color provides color convention and useful functions

Index

• Variables
• func ClampRGB1(r, g, b float64) (float64, float64, float64)
• func Equal(c, c2 *Color) bool
• func HTMLRange(n int, colors ...string) (colorsOutput []string)
• func RGoldenHue() int
• func RHue() int
• type Color
  • func DistinguishableColor(n, s, v int) (colors []*Color)
  • func Gradient(n int, clrs []*Color, f interpolate.Interp) []*Color
  • func NewFromHCL(h int, c, l float64) *Color
  • func NewFromHEX(x uint32) *Color
  • func NewFromHSB(h, s, b int) *Color
  • func NewFromHSL(h, s, l int) *Color
  • func NewFromHSV(h, s, b int) *Color
  • func NewFromHTML(hexc string) *Color
  • func NewFromHTMLAlpha(hexc string, a uint8) *Color
  • func NewFromLAB(l, a, b float64) *Color
  • func NewFromRGB(r, g, b uint8) *Color
  • func NewFromRGB1(r, g, b float64) *Color
  • func NewFromRGBA(r, g, b, a uint8) *Color
  • func NewFromSSA(ssac string) *Color
  • func NewFromXYZ(x, y, z float64) *Color
  • func Rainbow(n, s, v int, f interpolate.Interp) (colors []*Color)
  • func RandomColorHSV(s, v int, f rnd) *Color
  • func (c Color) Analog(n int, separation int) (colors []*Color)
  • func (c Color) BlendRGB(c2 *Color, t float64) *Color
  • func (c Color) Complementary() *Color
  • func (c Color) Darker(amt int) *Color
  • func (c *Color) Gradient(n int, c2 *Color, f interpolate.Interp) []*Color
  • func (c Color) Grayscale() *Color
  • func (c1 Color) HCL() (h int, c, l float64)
  • func (c Color) HEX() uint32
  • func (c Color) HSB() (h, s, b int)
  • func (c Color) HSL() (h, s, l int)
  • func (c Color) HSV() (h, s, b int)
  • func (c Color) HTML() string
  • func (c Color) Hue() int
  • func (c Color) Invert() *Color
  • func (c Color) LAB() (l, a, b float64)
  • func (c Color) Lighter(amt int) *Color
  • func (c *Color) MaxRGB1() (max float64)
  • func (c *Color) MinMaxRGB1() (min, max float64)
  • func (c *Color) MinRGB1() (min float64)
  • func (c Color) MixRGB(c2 *Color) *Color
  • func (c Color) RGB() (uint8, uint8, uint8)
  • func (c Color) RGB1() (float64, float64, float64)
  • func (c Color) RGBA() (uint8, uint8, uint8, uint8)
  • func (c Color) SSA() string
  • func (c Color) SSAL() string
  • func (c Color) String() string
  • func (c Color) XYZ() (x, y, z float64)

Variables

var Aliceblue = NewFromHEX(0xf0f8ff)

var Antiquewhite = NewFromHEX(0xfaebd7)

var Aqua = NewFromHEX(0x00ffff)

var Aquamarine = NewFromHEX(0x7fffd4)

var Azure = NewFromHEX(0xf0ffff)

var Beige = NewFromHEX(0xf5f5dc)

var Bisque = NewFromHEX(0xffe4c4)

var Black = NewFromHEX(0x000000)

var Blanchedalmond = NewFromHEX(0xffebcd)

var Blue = NewFromHEX(0x0000ff)

var Blueviolet = NewFromHEX(0x8a2be2)

var Brown = NewFromHEX(0xa52a2a)

var Burlywood = NewFromHEX(0xdeb887)

var Cadetblue = NewFromHEX(0x5f9ea0)

var Chartreuse = NewFromHEX(0x7fff00)

var Chocolate = NewFromHEX(0xd2691e)

var Coral = NewFromHEX(0xff7f50)

var Cornflowerblue = NewFromHEX(0x6495ed)

var Cornsilk = NewFromHEX(0xfff8dc)

var Crimson = NewFromHEX(0xdc143c)

var Cyan = NewFromHEX(0x00ffff)

var Darkblue = NewFromHEX(0x00008b)

var Darkcyan = NewFromHEX(0x008b8b)

var Darkgoldenrod = NewFromHEX(0xb8860b)

var Darkgray = NewFromHEX(0xa9a9a9)

var Darkgreen = NewFromHEX(0x006400)

var Darkkhaki = NewFromHEX(0xbdb76b)

var Darkmagenta = NewFromHEX(0x8b008b)

var Darkolivegreen = NewFromHEX(0x556b2f)

var Darkorange = NewFromHEX(0xff8c00)

var Darkorchid = NewFromHEX(0x9932cc)

var Darkred = NewFromHEX(0x8b0000)

var Darksalmon = NewFromHEX(0xe9967a)

var Darkseagreen = NewFromHEX(0x8fbc8f)

var Darkslateblue = NewFromHEX(0x483d8b)

var Darkslategray = NewFromHEX(0x2f4f4f)

var Darkturquoise = NewFromHEX(0x00ced1)

var Darkviolet = NewFromHEX(0x9400d3)

var Deeppink = NewFromHEX(0xff1493)

var Deepskyblue = NewFromHEX(0x00bfff)

var Dimgray = NewFromHEX(0x696969)

var Dodgerblue = NewFromHEX(0x1e90ff)

var Firebrick = NewFromHEX(0xb22222)

var Floralwhite = NewFromHEX(0xfffaf0)

var Forestgreen = NewFromHEX(0x228b22)

var Fuchsia = NewFromHEX(0xff00ff)

var Gainsboro = NewFromHEX(0xdcdcdc)

var Ghostwhite = NewFromHEX(0xf8f8ff)

var Gold = NewFromHEX(0xffd700)

var Goldenrod = NewFromHEX(0xdaa520)

var Gray = NewFromHEX(0x808080)

var Green = NewFromHEX(0x008000)

var Greenyellow = NewFromHEX(0xadff2f)

var Honeydew = NewFromHEX(0xf0fff0)

var Hotpink = NewFromHEX(0xff69b4)

var Indianred = NewFromHEX(0xcd5c5c)

var Indigo = NewFromHEX(0x4b0082)

var Ivory = NewFromHEX(0xfffff0)

var Khaki = NewFromHEX(0xf0e68c)

var Lavender = NewFromHEX(0xe6e6fa)

var Lavenderblush = NewFromHEX(0xfff0f5)

var Lawngreen = NewFromHEX(0x7cfc00)

var Lemonchiffon = NewFromHEX(0xfffacd)

var Lightblue = NewFromHEX(0xadd8e6)

var Lightcoral = NewFromHEX(0xf08080)

var Lightcyan = NewFromHEX(0xe0ffff)

var Lightgoldenrodyellow = NewFromHEX(0xfafad2)

var Lightgray = NewFromHEX(0xd3d3d3)

var Lightgreen = NewFromHEX(0x90ee90)

var Lightpink = NewFromHEX(0xffb6c1)

var Lightsalmon = NewFromHEX(0xffa07a)

var Lightseagreen = NewFromHEX(0x20b2aa)

var Lightskyblue = NewFromHEX(0x87cefa)

var Lightslategray = NewFromHEX(0x778899)

var Lightsteelblue = NewFromHEX(0xb0c4de)

var Lightyellow = NewFromHEX(0xffffe0)

var Lime = NewFromHEX(0x00ff00)

var LimegreAliceblueen = NewFromHEX(0x32cd32)

var Linen = NewFromHEX(0xfaf0e6)

var Magenta = NewFromHEX(0xff00ff)

var Maroon = NewFromHEX(0x800000)

var Mediumaquamarine = NewFromHEX(0x66cdaa)

var Mediumblue = NewFromHEX(0x0000cd)

var Mediumorchid = NewFromHEX(0xba55d3)

var Mediumpurple = NewFromHEX(0x9370d8)

var Mediumseagreen = NewFromHEX(0x3cb371)

var Mediumslateblue = NewFromHEX(0x7b68ee)

var Mediumspringgreen = NewFromHEX(0x00fa9a)

var Mediumturquoise = NewFromHEX(0x48d1cc)

var Mediumvioletred = NewFromHEX(0xc71585)

var Midnightblue = NewFromHEX(0x191970)

var Mintcream = NewFromHEX(0xf5fffa)

var Mistyrose = NewFromHEX(0xffe4e1)

var Moccasin = NewFromHEX(0xffe4b5)

var Navajowhite = NewFromHEX(0xffdead)

var Navy = NewFromHEX(0x000080)

var Oldlace = NewFromHEX(0xfdf5e6)

var Olive = NewFromHEX(0x808000)

var Olivedrab = NewFromHEX(0x6b8e23)

var Orange = NewFromHEX(0xffa500)

var Orangered = NewFromHEX(0xff4500)

var Orchid = NewFromHEX(0xda70d6)

var Palegoldenrod = NewFromHEX(0xeee8aa)

var Palegreen = NewFromHEX(0x98fb98)

var Paleturquoise = NewFromHEX(0xafeeee)

var Palevioletred = NewFromHEX(0xd87093)

var Papayawhip = NewFromHEX(0xffefd5)

var Peachpuff = NewFromHEX(0xffdab9)

var Peru = NewFromHEX(0xcd853f)

var Pink = NewFromHEX(0xffc0cb)

var Plum = NewFromHEX(0xdda0dd)

var Powderblue = NewFromHEX(0xb0e0e6)

var Purple = NewFromHEX(0x800080)

var Red = NewFromHEX(0xff0000)

var Rosybrown = NewFromHEX(0xbc8f8f)

var Royalblue = NewFromHEX(0x4169e1)

var Saddlebrown = NewFromHEX(0x8b4513)

var Salmon = NewFromHEX(0xfa8072)

var Sandybrown = NewFromHEX(0xf4a460)

var Seagreen = NewFromHEX(0x2e8b57)

var Seashell = NewFromHEX(0xfff5ee)

var Sienna = NewFromHEX(0xa0522d)

var Silver = NewFromHEX(0xc0c0c0)

var Skyblue = NewFromHEX(0x87ceeb)

var Slateblue = NewFromHEX(0x6a5acd)

var Slategray = NewFromHEX(0x708090)

var Snow = NewFromHEX(0xfffafa)

var Springgreen = NewFromHEX(0x00ff7f)

var Steelblue = NewFromHEX(0x4682b4)

var Tan = NewFromHEX(0xd2b48c)

var Teal = NewFromHEX(0x008080)

var Thistle = NewFromHEX(0xd8bfd8)

var Tomato = NewFromHEX(0xff6347)

var Turquoise = NewFromHEX(0x40e0d0)

var Violet = NewFromHEX(0xee82ee)

var Wheat = NewFromHEX(0xf5deb3)

var White = NewFromHEX(0xffffff)

var Whitesmoke = NewFromHEX(0xf5f5f5)

var Yellow = NewFromHEX(0xffff00)

var Yellowgreen = NewFromHEX(0x9acd32)

Functions

func ClampRGB1

func ClampRGB1(r, g, b float64) (float64, float64, float64)

func Equal

func Equal(c, c2 *Color) bool

func HTMLRange

func HTMLRange(n int, colors ...string) (colorsOutput []string)

func RGoldenHue

func RGoldenHue() int

func RHue

func RHue() int

Types

type Color

type Color struct {
	R, G, B, A uint8
}

func DistinguishableColor

func DistinguishableColor(n, s, v int) (colors []*Color)

func Gradient

func Gradient(n int, clrs []*Color, f interpolate.Interp) []*Color

func NewFromHCL

func NewFromHCL(h int, c, l float64) *Color

func NewFromHEX

func NewFromHEX(x uint32) *Color

func NewFromHSB

func NewFromHSB(h, s, b int) *Color

NewHSB

func NewFromHSL

func NewFromHSL(h, s, l int) *Color

NewHSL

func NewFromHSV

func NewFromHSV(h, s, b int) *Color

func NewFromHTML

func NewFromHTML(hexc string) *Color

NewFromHEX

func NewFromHTMLAlpha

func NewFromHTMLAlpha(hexc string, a uint8) *Color

NewFromHEXAlpha

func NewFromLAB

func NewFromLAB(l, a, b float64) *Color

func NewFromRGB

func NewFromRGB(r, g, b uint8) *Color

NewRGB

func NewFromRGB1

func NewFromRGB1(r, g, b float64) *Color

NewRGB1

func NewFromRGBA

func NewFromRGBA(r, g, b, a uint8) *Color

NewRGBA

func NewFromSSA

func NewFromSSA(ssac string) *Color

NewFromHEXAlpha

func NewFromXYZ

func NewFromXYZ(x, y, z float64) *Color

func Rainbow

func Rainbow(n, s, v int, f interpolate.Interp) (colors []*Color)

func RandomColorHSV

func RandomColorHSV(s, v int, f rnd) *Color

RandomColorHSV

func (Color) Analog

func (c Color) Analog(n int, separation int) (colors []*Color)

func (Color) BlendRGB

func (c Color) BlendRGB(c2 *Color, t float64) *Color

BlendRGB return a new color, interpolated between this color and other by an amount specified by t, ranges from 0 (entirely this color) to 1.0 (entirely other.)

func (Color) Complementary

func (c Color) Complementary() *Color

func (Color) Darker

func (c Color) Darker(amt int) *Color

Darker return a darker version of this color

func (*Color) Gradient

func (c *Color) Gradient(n int, c2 *Color, f interpolate.Interp) []*Color

func (Color) Grayscale

func (c Color) Grayscale() *Color

Grayscale desaturate the color

func (Color) HCL

func (c1 Color) HCL() (h int, c, l float64)

func (Color) HEX

func (c Color) HEX() uint32

func (Color) HSB

func (c Color) HSB() (h, s, b int)

func (Color) HSL

func (c Color) HSL() (h, s, l int)

func (Color) HSV

func (c Color) HSV() (h, s, b int)

func (Color) HTML

func (c Color) HTML() string

func (Color) Hue

func (c Color) Hue() int

func (Color) Invert

func (c Color) Invert() *Color

func (Color) LAB

func (c Color) LAB() (l, a, b float64)

func (Color) Lighter

func (c Color) Lighter(amt int) *Color

Lighter return a lighter version of this color

func (*Color) MaxRGB1

func (c *Color) MaxRGB1() (max float64)

func (*Color) MinMaxRGB1

func (c *Color) MinMaxRGB1() (min, max float64)

func (*Color) MinRGB1

func (c *Color) MinRGB1() (min float64)

func (Color) MixRGB

func (c Color) MixRGB(c2 *Color) *Color

func (Color) RGB

func (c Color) RGB() (uint8, uint8, uint8)

func (Color) RGB1

func (c Color) RGB1() (float64, float64, float64)

func (Color) RGBA

func (c Color) RGBA() (uint8, uint8, uint8, uint8)

func (Color) SSA

func (c Color) SSA() string

func (Color) SSAL

func (c Color) SSAL() string

func (Color) String

func (c Color) String() string

func (Color) XYZ

func (c Color) XYZ() (x, y, z float64)