1. Color Difference Formula
● CMC (1:c) Color Difference Formula, can designate l:c coefficient
● ISOColor Difference Formula

● JPC79Color Difference Formula
● CIE DE2000 Color Difference Formula
● BFD Color Difference Formula
● FMCⅡ Color Difference Formula
● CIE1976 Luv Color Difference Formula 

2. Whiteness

● CIE1986 Whiteness Formula (Ganz Formula)
● Y Lightness Whiteness Formula (MacAdam Formula)
● Tappi Whiteness Formula
● Cros Whiteness Formula
● Stephansen Whiteness Formula
● Berger Whiteness Formula
● Taub Whiteness Formula 

 3.Lightness

● Hunter Formula
● Munsell Lightness
● CIE Lightness
● Germany DIN System Lightness；
● Lightness Value V and Brightness Value Y Relation000 

4. Light Source

● C
● F2(CWF)
● F6
● F7(DLF)
● F8
● F10(TPL5)
● F11(TL84)
● F12(TL83/U30)