Annex I (7) - Colour Specification of Lights
Overview
Annex I (7) details the colour specifications for the lights required by the COLREGs.
Annex I (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:
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 Green
x 0.028 0.009 0.300 0.203 y 0.385 0.723 0.511 0.356 Red
x 0.680 0.660 0.735 0.721 y 0.320 0.320 0.265 0.259 Yellow
x 0.612 0.618 0.575 0.575 y 0.382 0.382 0.425 0.406
About This Work
No visual explanation of this rule was produced within the original series, but the text is included here for completeness within the COLREGs in Depth collection.
A dedicated visual explanation can be produced for this rule upon request.
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