This standard defines the terms, classification, requirements and test methods for colorants used in color matching systems, which are applicable to building Decorative Coatings and Miscellaneous color matching systems. The content covers the terms and definitions, classification, mass requirements, test methods, inspection rules, signs, Encasement, storage and transportation of colorants. Through the application of this standard, the mass and performance of colorants in color matching systems are guaranteed to meet the regulations, and their conformity and Reliability in practical applications are guaranteed.