## https://cloud1.on.gt/app/_legendgen.html?min=-10&max=45&steps=2&colors=purple,blue,green,yellow,red,magenta&u=%C2%BAC
## sync con gdal_interpolation

-99: 0,0,0,0

-10: 128,0,128
-8: 105,0,151
-6: 81,0,174
-4: 58,0,197
-2: 35,0,220
0: 12,0,243
2: 0,12,232
4: 0,35,185
6: 0,58,139
8: 0,81,93
10: 0,105,46
12: 0,128,0
14: 46,151,0
16: 93,174,0
18: 139,197,0
20: 185,220,0
22: 232,243,0
24: 255,232,0
26: 255,185,0
28: 255,139,0
30: 255,93,0
32: 255,46,0
34: 255,0,0
36: 255,0,46
38: 255,0,93
40: 255,0,139
42: 255,0,185
44: 255,0,232