0    0 0 0 
10%  0   51   0
20%  0   100 0
30%  0   170 0
40%    0 170 0
50%  140 200 0
60%  160 220 0
70%  50  230 50
80%  30  255 80
90%  150 255 150
100% 0   255 0
end