This standard specifies a method for the measurement of Optical inspection functional film Color using the International Commission on Illumination (CIE) 1931 standard chroma system or the CIE1964 standard chroma system. At 1 ° to 4 ° field of view, the tristimulus values and chromaticity coordinates of the CIE1931 standard chroma system are used to evaluate the visual equivalence of Optical inspection functional films Color; and at a field of view greater than 4 °, the corresponding parameters of the CIE1964 standard chroma system are used for evaluation. The scope of application includes the measurement of the transmission and reflection colors of Optical inspection functional films, and the measurement of the Color of Miscellaneous transparent or translucent objects. The document refers to a number of normative reference documents, including GB/T 3978, GB/T 3979, etc., to ensure the implementation and compliance of the standard.