Colorimetric determination

A brief abstract of basic concepts necessary for colour test comprehension has been made. The conception of hue, value, colour chromaticity and aditive colour mixing have been explained. Fundamental colour system definitions and values have been presented; system RGB, CIE 1931, CIE-UCS 1960, CIE 1967 L*a*b* and CIE 1976 L*u*v* have been put forward. In relation to the colour systems the basic ideas on colour difference have been elaborated.