subtractive color process

基本解釋

Yellow: Minus-blue subtractive primary used in the three-color process.
黃色：藍(lán)色的補(bǔ)色，主要用在三色処理。
CMYK: Cyan, Magenta, Yellow, Black. Process color printing inks (subtractive primaries) to print continuous-tone images.
印刷四色：青藍(lán)、洋紅、黃、黑，稱四色印刷油墨，多用於印刷連續(xù)色調(diào)之圖像。
hxc0929pd.blog.163.com
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.
而在減色法中，染料（比如在繪畫(huà)顔料或彩色照相材料中）吸收了部分波長(zhǎng)而衹允許分光譜通過(guò)，從而産生各種色彩。