CIE Chromaticity Diagrams CIE Standard Observer, Color Mstching Functions, CIE 1931, CIE 1960, CIE 1976 contains a complete CIE PLL Diagrams mapping programs, including support CIE Standard Observer, Color Mstching Functions, and the CIE 1931, the CIE 1960, the CIE 1976 formats.