Scientific Colour Map Categorical Palette
grayC 10 Swatches
  0   0   0	grayC-1 #000000
 35  35  35	grayC-29 #232323
 61  61  61	grayC-58 #3D3D3D
 86  86  86	grayC-86 #565656
108 108 108	grayC-114 #6C6C6C
130 130 130	grayC-143 #828282
154 154 154	grayC-171 #9A9A9A
182 182 182	grayC-199 #B6B6B6
216 216 216	grayC-228 #D8D8D8
255 255 255	grayC-256 #FFFFFF
