Study and analysis of the Influence of Temperature on Chromaticity and Color Difference in Accurate Color Measurement

When we discuss the meaning of chromaticity and color differences,we always want to avoid or diminish the influence from photology,physics,chemistry,physiology and psychology.We want to match the measurements with human color vision and to explain the unhomogeneity of the CIELAB color space or other color spaces in theory.This paper discussed that influence of temperature on the chromaticity and color difference from thermology.We found that the longer wavelength,especially the red color,is more sensitive to the temperature variation and may cause greater influence on chromaticity and color differences.But the achromatism,such as gray,white,black,is less sensitive to temperature variation.