HSV

0 55 20 100
.1 50 46 98
.2 45 60 96
.3 40 65 84
.4 35 70 72
.5 30 72 65
.6 25 75 55
.7 20 78 45
.8 15 88 35
.9 10 92 25
1 1 100 15