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77
Specifying colors
Controlling appearance with materials
Specifying colors
Colors specify:
A mixture of red, green, and blue light
Values between 0.0 (none) and 1.0 (lots)
Color
Red
Green
Blue
Result
White
1.0
1.0
1.0
(white)
Red
1.0
0.0
0.0
(red)
Yellow
1.0
1.0
0.0
(yellow)
Cyan
0.0
1.0
1.0
(cyan)
Brown
0.5
0.2
0.0
(brown)