The color appearance system, such as CIE (1931) standard color, CIE (1964) complementary standard color system, CIE (1976) ( L*a*h*) the space of well? distributed color, and Munsell color system;

• 介绍了色度学表色系统有CIE（1931）标准色度系统，CIE（1964）补充标准色度系统，CIE1976（La*b*）均匀色空间，孟塞尔表色系统，孟塞尔色彩体系统的数字表示法。