subtractive color process

基本解释

Yellow: Minus-blue subtractive primary used in the three-color process.
黄色：蓝色的补色，主要用在三色处理。
CMYK: Cyan, Magenta, Yellow, Black. Process color printing inks (subtractive primaries) to print continuous-tone images.
印刷四色：青蓝、洋红、黄、黑，称四色印刷油墨，多用于印刷连续色调之图像。
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In the subtractive process, colors are produced when dye (as in paint or color photographic materials) absorbs some wavelengths and so passes on only part of the spectrum.
而在减色法中，染料（比如在绘画颜料或彩色照相材料中）吸收了部分波长而只允许分光谱通过，从而产生各种色彩。