Note:This is not a C++ variable. 
A string of three bytes (0-255) separated by spaces:
RED GREEN BLUE
Examples
- Red = "
255 0 0" 
- Green = "
0 255 0" 
- Blue = "
0 0 255" 
- Orange = "
255 128 0" 
Note:Light entities use Color255 to represent color, followed by an integer for intensity.
Example: "255 255 255 5000"