-11000 0:0:0
-8000 0:0:50
-5000 10:10:100
-3000 30:30:150
-1000 70:70:200
-100 100:100:225
0 170:170:255
0.1 57:151:105
100 117:194:93
500 230:230:128
1000 202:158:75
2000 185:154:100
3000 220:220:220
5000 255:255:255
8850 100:100:200
nv 255:255:255
default 255:255:255