Comparison of Two Methods for Color-Normal Observer Variability in Color Discrimination

In order to compare the validation of different methods for observers’ color discrimination, 53 observers with normal color vision were organized to carry out two experiments including the Farnsworth Munsell 100 Hue test and the color matching experiment which have been used widely. Four dominant colors (red, yellowish green, turquoise green and bluish purple) in the FM 100 Hue test were selected as the reference colors in color matching experiment. The results were expressed by the total error scores, the mean CIE DE2000 color difference values and the colorimetric ellipses, which indicated that the results of two experiments were not accorded completely for a given color normal observer. The obtained data and three indexes are useful to understand the relationship between these two tests.