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.
WhitePurple Red #2157Red #2283Red #2793Red #2415Orange #2119Yellow #2037Yellow #2016
Blue #2648Blue #2114Blue #2050Blue #2051Green #2108Green #2030Ivory #2146Grey #5040