four-color separation process

four-color separation process

[¦fȯr ¦kəl·ər ‚sep·ə′rā·shən ‚präs·əs]
(graphic arts)
Conversion of a color illustration into four negative films from which the four printing plates [yellow, magenta, cyan (blue), and black] that will be used in the printing process are made; the negative film for yellow is made by photographing the illustration through a blue filter, the magenta through a green filter, the cyan through a red filter, and the black through a yellow filter.
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