colour

README

Colour

A golang lib to work with RGB HSV and HEX.

go get github.com/MrMip/colour

Documentation

Index

• func HexrgbFormat(input Hexrgb) string
• func RgbGetColorName(input Rgb) int
• func RgbGetHue(input Rgb) int
• func RgbGetSat(input Rgb) float32
• func RgbGetValue(input Rgb) float32
• type Hexrgb
  • func RgbTOhexgb(input Rgb) Hexrgb
• type Hsv
  • func RgbTOhsv(input Rgb) Hsv
• type Rgb
  • func ChangeValue(input Rgb, amount int) Rgb
  • func RandRGB() Rgb

Functions

func HexrgbFormat

func HexrgbFormat(input Hexrgb) string

func RgbGetColorName

func RgbGetColorName(input Rgb) int

https://en.wikipedia.org/wiki/Hue#24_hues_of_HSL/HSV

func RgbGetHue

func RgbGetHue(input Rgb) int

Source https://en.wikipedia.org/wiki/HSL_and_HSV#Hue_and_chroma

func RgbGetSat

func RgbGetSat(input Rgb) float32

func RgbGetValue

func RgbGetValue(input Rgb) float32

R' = R/255 Cmax = max(R',G',B') V = Cmax

Types

type Hexrgb

type Hexrgb struct {
	Red   string
	Green string
	Blue  string
}

func RgbTOhexgb

func RgbTOhexgb(input Rgb) Hexrgb

type Hsv

type Hsv struct {
	Hue   int
	Sat   float32
	Value float32
}

func RgbTOhsv

func RgbTOhsv(input Rgb) Hsv

type Rgb

type Rgb struct {
	Red   int
	Green int
	Blue  int
}

func ChangeValue

func ChangeValue(input Rgb, amount int) Rgb

max + 3 rest + 1

func RandRGB

func RandRGB() Rgb