   1: (  0,  0,  0) #000000 black
   1: (  3,  3,  3) #030303 grey1
   1: (  5,  5,  5) #050505 grey2
   ...
   1: (250,250,250) #FAFAFA grey98
   1: (252,252,252) #FCFCFC grey99
   1: (255,255,255) #FFFFFF white
