Trade channel letters use transluscent plastic of 1/8 inch and 3/16 inches which radiates the light inside the channel letter with maximum efficiency.

White
Purple
Red #2157
Red #2283
Red #2793
Red #2415
Orange #2119
Yellow #2037
Yellow #2016

Blue #2648
Blue #2114
Blue #2050
Blue #2051
Green #2108
Green #2030
Ivory #2146
Grey #5040