§ 149.727 - Chromaticity.

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The color emitted by a light at all angles, within the 50% effective intensity angle under § 149.723 must have chromaticity coordinates lying within the boundary defined by the corner coordinates in Table 149.727 when plotted on the International Commission on Illumination (CIE) Standard Observer Diagram.
Table 149.727—Chromaticity CoordinatesColorChromaticity coordinatesx axisy axisWhite0.2850.332.453.440.500.440.500.382.440.382.285.264Green.009.720.284.520.207.397.013.494Red.665.335.645.335.680.300.700.300Yellow.560.440.555.435.612.382.618.382

                    
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