Go library for parsing CSS color string as defined in the W3C's CSS Color Module Level 4.
- Named colors
- RGB hexadecimal (with and without
#prefix)- Short format
#rgb - Short format with alpha
#rgba - Long format
#rrggbb - Long format with alpha
#rrggbbaa
- Short format
rgb()andrgba()hsl()andhsla()hwb()oklab()oklch()hwba(),hsv(),hsva()- not in CSS standard.
Not yet supported: lab(), lch().
transparent
lime
#0f0
#0f0f
#00ff00
#00ff00ff
rgb(0,255,0)
rgb(0% 100% 0%)
rgb(0 255 0 / 100%)
rgba(0,255,0,1)
hsl(120,100%,50%)
hsl(120deg 100% 50%)
hsl(-240 100% 50%)
hsl(-240deg 100% 50%)
hsl(0.3333turn 100% 50%)
hsl(133.333grad 100% 50%)
hsl(2.0944rad 100% 50%)
hsla(120,100%,50%,100%)
hwb(120 0% 0%)
hwb(480deg 0% 0% / 100%)
hsv(120,100%,100%)
hsv(120deg 100% 100% / 100%)import "github.com/mazznoer/csscolorparser"
c, err := csscolorparser.Parse("gold")
if err != nil {
panic(err)
}
fmt.Printf("R:%.3f, G:%.3f, B:%.3f, A:%.3f", c.R, c.G, c.B, c.A) // R:1.000, G:0.843, B:0.000, A:1.000
fmt.Println(c.RGBA255()) // 255 215 0 255
fmt.Println(c.HexString()) // #ffd700
fmt.Println(c.RGBString()) // rgb(255,215,0)- csscolorparser (Rust)
- csscolorparser (Javascript)