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CIE 039.2-1983

Recommendations for surface colours for visual signalling, 2nd ed.
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These recommendations provide a system of surface colours for the purpose of visual signalling. The colours are defined in terms of chromaticity limits and limits of luminance factor. These limits were chosen as a compromise between reliable colour recognition, existing practice that has proved to be satisfactory, and limitations imposed by manufacturing technology and uncertainties of colour measurements. The limits are recommended for international adoption. More restricted limits may be selected by national authorities to suit national practices, or by international authorities to suit particular applications. The recommendations apply to all surface colours, produced by reflection, fluorescence, or transillumination, which are intended for visual signalling of any form of transport and for warning signs and colour codes in general. Keywords: information systems, motorized traffic, signals and signs, surface colours, visual signalling
SDO CIE: International Commission on Illumination
Document Number 39.2
Publication Date Jan. 1, 1983
Language en - English
Page Count 31
Revision Level
Supercedes
Committee
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