XtermColor

Find the closest xterm color to anything implementing color.Color.

Provides a color.Palette as xtermcolor.Colors so you can use .Convert and .Index, but also provides convenience functions to get the index as a uint8 from a color.Color, a 32 bit integer, or a 24 bit hex string.

Full documentation can be found on GoDoc.

Basic usage (examples/basic.go):

package main

import (
	"fmt"
	"image/color"

	"github.com/tomnomnom/xtermcolor"
)

func main() {
	fmt.Println(xtermcolor.Colors.Convert(color.RGBA{128, 64, 32, 255}))

	fmt.Println(xtermcolor.FromColor(color.RGBA{120, 210, 120, 255}))

	fmt.Println(xtermcolor.FromInt(0xCC66FFFF))

	code, err := xtermcolor.FromHexStr("#FEFEFE")
	if err != nil {
		fmt.Println(err)
	}
	fmt.Println(code)
}

▶ go run examples/basic.go 
{135 95 0 255}
114
171
15

xtermcolor command

There's also an xtermcolor command you can install by running:

▶ go get github.com/tomnomnom/xtermcolor/cmd/xtermcolor

Or you can download a binary from the releases page.

The command returns the color code for a 24 bit hex number:

▶ xtermcolor cc66ff
171

...or for seperate 8 bit red, green and blue components:

▶ xtermcolor 210 128 0
172