IEVref:845-23-005ID:
Language:enStatus: Standard
Term: optimal colour stimuli, pl
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Definition: object colour stimuli that correspond to objects whose luminance factors have maximum possible values for each chromaticity when their spectral luminance factors do not exceed unity for any wavelength

Note 1 to entry: Optimal colour stimuli correspond, in general, to objects whose spectral luminance factors have values of either unity or zero, with not more than two transitions between them.

Note 2 to entry: The luminance factors and chromaticity coordinates of optimal colour stimuli define the boundaries of a colour solid corresponding to non-fluorescent objects.

Note 3 to entry: For a given luminance factor, optimal colour stimuli define the maximum purity possible for non-fluorescent objects.

Note 4 to entry: See also "object colour", "colour stimulus".

Note 5 to entry: This entry was numbered 845-03-40 in IEC 60050-845:1987.


Publication date:2020-12
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