Traffic Light Chromacity

85% Less Energy Than Incandescents. Save With Lower Replacement Costs.
The CIE Chromacity Diagram — released in 1931 — is based on about two dozen people matching a projected area of color (covering about 2 degrees of their field of vision) with a color they mixed themselves from red, green and blue light sources.

February 16, 2019 12:01:55 AM
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