7.0 Colour specification of lights

7-0
7.1 The chromaticity of all navigation lights must conform to the following standards, which lie within the boundaries of the area of the diagram specified for each colour by the International Commission on Illumination (CIE).
7.2 The boundaries of the area for each colour are given by indicating the corner coordinates, which are as follows—
  • (a)White
    X0.5250.5250.4520.3100.3100.443
    Y0.3820.4400.4400.3480.2830.382
  • (b)Green
    X0.0280.0090.3000.203
    Y0.3850.7230.5110.356
  • (c)Red
    X0.6800.6600.7350.721
    Y0.3200.3200.2650.259
  • (d)Yellow
    X0.6120.6180.5750.575
    Y0.3820.3820.4250.406