100     255 255 255 0
87.5      0   0   0 255
87.5    255 255 255 0
75        0   0   0 255
75      255 255 255 0
62.5      0   0   0 255
62.5    255 255 255 0
50        0   0   0 255
50      255 255 255 0
37.5      0   0   0 255
37.5    255 255 255 0
25        0   0   0 255
25      255 255 255 0
12.5      0   0   0 255
12.5    255 255 255 0
0         0   0   0 255