METHOD FOR CALCULATING SUBSTITUTION COLORS FOR SPOT COLORS
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Jul 7, 2015
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Jul 7, 2014
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A method for calculating substitution colors for spot colors by using a computer for computer-aided color control of a four-color printing process in a printing machine includes creating a set of characterization data, which describe the relationship between tonal values of the process colors CMYK used and resultant printed color values, by using the computer, adapting to the printing process and interpolating the set of characterization data by using the computer and calculating the substitution colors including or formed of two chromatic and an achromatic color from the adapted and interpolated characterization data with a basic condition by using the computer. The calculated substitution colors are used in the computer-aided color control of the four-color printing process to process a current print job.
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