Colour co-ordinates are a useful way of defining colours and provide a convenient way of recording and comparing colours objectively. The VSC 5000 enables colour to be measured in both the standard 1931 and 1960 CIE colour co-ordinate systems.

Colour co-ordinates can be displayed on chromaticity diagrams which provide effective graphic evidence of colour differences, especially when the colours of many samples need to be compared. Colours, which differ in intensity only, have co-ordinates that lie on a common colour radial. Colours with true spectral differences lie on different colour radials.

Both colour coordinates and chromaticity diagrams may be stored in the VSC 5000's casework filing system for future reference.

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