saturation-issue.go

package main

import (
	"fmt"
	"github.com/teacat/noire"
)

func main() {
	hue := 320.0
	val := 100.0
	sats := []float64{100, 70, 30, 10, 5, 0}

	for _, sat := range sats {
		fmt.Printf("input: h=%.2f s=%.2f v=%.2f\n", hue, sat, val)
		c := noire.NewHSV(hue, sat, val)

		r, g, b := c.RGB()
		rgbTxt := fmt.Sprintf("%d;%d;%d", int(r), int(g), int(b))
		fmt.Printf("\033[38;2;%smcolor %s\033[0m", rgbTxt, rgbTxt)

		h, s, v := c.HSV()
		fmt.Printf(" h=%.2f s=%.2f v=%.2f\n\n", h, s, v)
	}
}