| 摘要 |
A method of determining a combination of Yellow, Magenta, Cyan, and Black color densities from a color value expressed in a color space, comprising the steps of; providing a predetermined number of color patches in which colors on the color patches are arranged different from each other, measuring color values of the colors on the color patches in which the combination of Yellow, Magenta, Cyan, and Black color densities corresponding to each one of the color patches is predetermined, determining color values of a predetermined number of supplementary colors, which are different from the colors on the color patches, according to the color values of the color patches, and determining the combination of Yellow, Magenta, Cyan, and Black color densities, corresponding to each one of the supplementary colors, according to the color values of the supplementary colors.
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