Tristimulus Values: Difference between revisions
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Tristimulus Values (of a colour stimulus) | Tristimulus Values (of a colour stimulus) | ||
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The amounts of the three reference or matching stimuli required to give a match with the colour stimulus considered, in a given trichromatic system. | The amounts of the three reference or matching stimuli required to give a match with the colour stimulus considered, in a given trichromatic system. | ||
Symbol: ( | Symbol: (C.I.E. 1931) X, Y, Z. | ||
Reference: C.I.E. (extract) | Reference: C.I.E. (extract) | ||
Note: The quantities X, Y, Z refer to a field of vision of about 2 degrees. In 1964, quantities were defined by the | Note: The quantities X, Y, Z refer to a field of vision of about 2 degrees. In 1964, quantities were defined by the C.I.E. to refer to a field of vision of about 10 degrees. These are denoted by the symbols X10, Y10, Z10. | ||
{{IALAFooter}} | {{IALAFooter}} | ||
Latest revision as of 10:10, 17 September 2026
Tristimulus Values (of a colour stimulus)
The amounts of the three reference or matching stimuli required to give a match with the colour stimulus considered, in a given trichromatic system.
Symbol: (C.I.E. 1931) X, Y, Z.
Reference: C.I.E. (extract)
Note: The quantities X, Y, Z refer to a field of vision of about 2 degrees. In 1964, quantities were defined by the C.I.E. to refer to a field of vision of about 10 degrees. These are denoted by the symbols X10, Y10, Z10.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
