cie

e-ILV

The e-ILV provides free access to all the terms and definitions contained in the international standard CIE S 017:2020 ILV: International Lighting Vocabulary, 2nd edition.

To search for another term please use  "Back to the list" to return to the main page or the e-ILV.

For the complete set of terms and definitions CIE S 017:2020 can be purchased from the CIE Webshop. Members of a CIE National Committee or Associate National Committee have access to a 66,7 % discount on the purchase price of the standard.

17-23-080

CIE 1976 u′,v′ chromaticity difference

Δc

difference between two colour stimuli, defined as the Euclidean distance between the points representing them in the u′, v′ chromaticity diagram and calculated as:
Δc = [(Δu′)2 + (Δv′)2]1/2

Note 1 to entry: This entry was numbered 17-160 in CIE S 017:2011.

Publication date: 2020-12
Copyright © CIE 2020. All Rights Reserverd.