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.

July 25, 2021 12:46:47 PM
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