psychophysical colour

specification of a colour stimulus in terms of operationally defined values, such as the tristimulus values

NOTE 1 When the meaning is clear from the context the term "colour" can be used alone.

NOTE 2 In German, "Farbe" is often used instead of "Farbempfindung". The use of "Farbe" in the sense of "Farbvalenz" should be avoided. It is only when the sense is obvious from the context, or when "Farbempfindung" and "Farbvalenz" are equally suitable, that "Farbe" may be used in the sense of "Farbvalenz".

See also "colour"

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