GB/T 7921-2008
Uniform color space and color difference formula (English Version)

Standard No.

GB/T 7921-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 7921-2008

Replace

GB/T 7921-1997

Scope

This standard specifies the visually uniform CIE 1976 (L*a*b*) color space and CIE 1976 (L*µ*v*) color space, as well as the calculation methods for the corresponding color difference formula and CIE DE2000 color difference formula. This standard is applicable to the expression of object color and light source color as well as the expression and calculation of color difference.

GB/T 7921-2008 Referenced Document

• GB/T 5698 Glossary of color terms

GB/T 7921-2008 history

• 2008 GB/T 7921-2008 Uniform color space and color difference formula
• 1997 GB/T 7921-1997 Uniform colour space and colour difference formula