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complementary wavelength, <of a colour stimulus>
wavelength of the monochromatic stimulus that, when additively mixed in suitable proportions with the colour stimulus considered, matches the specified achromatic stimulus
Note 1 to entry: The complementary wavelength is expressed in nanometre (nm).
Note 2 to entry: This entry was numbered 845-03-45 in IEC 60050-845:1987.
Note 3 to entry: This entry was numbered 17-241 in CIE S 017:2011.