ISO 7724-2-1984 "Paints and varnish colorimetry Part 2: Color measurement" is one of the standards in the field of colorimetry, designed to provide accurate guidance on Paints and varnish Color measurement. This standard describes in detail the various instruments and methods used to measure Color of samples, ensuring conformity and accuracy of Color measurement. Covers the basic principles and terminology of Color measurement, as well as measurement standards for different types of Coatings under different lighting conditions. The implementation of ISO 7724-2-1984 helps to ensure Color Stability and conformity of Coating products during production and application, providing an important reference for manufacturers, users and standardization bodies.