7. Colour specification of lights
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7. Colour specification of lights

 The chromaticity of all navigation lights shall 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).

The boundaries of the area for each colour are given by indicating the corner co-ordinates, which are as follows:

Parent topic: Annex I - Positioning and Technical Details of Lights and Shapes

(i) White

x 0.525 0.525 0.452 0.310 0.310 0.443
y 0.382 0.440 0.440 0.348 0.283 0.382

(ii) Green

x 0.028 0.009 0.300 0.203
y 0.385 0.723 0.511 0.356

(iii) Red

x 0.680 0.660 0.735 0.721
y 0.320 0.320 0.265 0.259

(iv) Yellow

x 0.612 0.618 0.575 0.575
y 0.382 0.382 0.425 0.406
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