Theoretical Determination of Color Error.

Existing theory is applied to the evaluation of the reproduction of the basic colorants of three-color duplication systems using (1) monochromatic analysis, and (2) wide band analysis. Actinic densities are predicted from theory and found to be in excellent agreement with experimental results. The relationship between ENDs and actinic densities is developed, thereby providing a means for expressing the results of a theoretical evaluation of color reproduction systems in terms that have visual significance. The theory is proposed as an analytical tool in determining the effects of the various elements of the reproduction system on color reproduction. This was illustrated by varying the tone reproduction and predicting its effect on color reproduction.