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unique hue

unitary hue

hue that cannot be further described by the use of hue names other than its own

Note 1 to entry: There are four unique hues: red, green, yellow and blue forming two pairs of opponent hues: red and green, yellow and blue.

Note 2 to entry: A "unique hue" is sometimes referred to as an "elementary hue".

Note 3 to entry: This entry was numbered 845-02-36 in IEC 60050-845:1987.

Note 4 to entry: This entry was numbered 17-1373 and 17-1374 in CIE S 017:2011.

Publication date: 2020-12
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