USEFUL COLOUR IMAGES AND OTHER INFORMATION

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Here are some useful colour images that you may like to use for lectures, slides or Web Pages. The colours of the spectrum have been selected by trial and error so as to reproduce reasonably on a LaserGraphics Film Recorder, using Ektachrome film

The CIE x-y chromaticity diagram in 250 colours (36K).
The CIE x-y chromaticity diagram in true colour .png format.(73K).
The CIE u'-v' chromaticity diagram in 250 colours (35K).
The CIE u'-v' chromaticity diagram in true colour .png format (66K).
The visible spectrum (intended as a background for diagrams of spectral distribution functions) (228kb)
Additive and subtractrive colour mixture (164kb)

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If you wish to use a Colour Group logo, e.g. for a PowerPoint presentation at a meeting of the Group, a suitable file is available from the Web Master: apply to him at the email address below.

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