Color

There are 3 ways to specify a color:

1. Via RGB float values

   r,g,b with 0.0 <= r,g,b <= 1.0
      
   eg. Red = 1.0, 0.0, 0.0, Gray = .5, .5, .5
   

2. Via RGB hexadecimal values

   #RRGGBB
      
   eg. Red = #FF0000, Gray = #808080
   

3. Via predefined color constant

    Black, White, Gray, LightGray, DarkGray, Red, Green, Blue