Getting Started
(HTML colors defined)

Touch of Gray
The final colors to remember are the grays. If all three pairs of numbers are the same value, the resulting color will be a shade of gray.

 Red   Green   Blue   Hexadecimal
   0     0      0       #000000 
  16    16     16       #101010 
  32    32     32       #202020 
  64    64     64       #404040 
 128   128    128       #808080
 187   187    187       #bbbbbb 
 221   221    221       #dddddd 
 255   255    255       #ffffff