GB/T 7921-2008
ActiveUniform color space and color difference formula
均匀色空间和色差公式
Application Summary AI generated
GB/T 7921-2008 defines a standardized color measurement system based on the CIE 1976 L*a*b* uniform color space and associated color difference formulas. It is applied in industries such as paint, textiles, plastics, printing, and lighting to quantify and compare color differences between samples under controlled viewing conditions. This standard ensures consistent color quality control and specification in manufacturing, product inspection, and laboratory testing.
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