Added HSL and HSV colors

LCH_test.go

@@ -25,20 +25,22 @@ func TestLCH(t *testing.T) {
 	}
 
 	for name, c := range lchColors {
-		testColorRange(t, c)
 		c.Println("█ " + name)
 	}
 }
 
 func TestLCHSpectrum(t *testing.T) {
 	color.Terminal = true
+	color.TrueColor = true
 
 	for chroma := range 4 {
 		for lightness := range 21 {
 			for hue := range 80 {
-				c := color.LCH(color.Value(lightness)*0.05, color.Value(chroma)*0.05, color.Value(hue)*4.4)
-				testColorRange(t, c)
-				c.Print("█")
+				l := color.Value(lightness) * 0.05
+				c := color.Value(chroma) * 0.05
+				h := color.Value(hue) * 4.4
+				col := color.LCH(l, c, h)
+				col.Print("█")
 			}
 
 			fmt.Println()