Knut Olav Sunde: ISOM/2000 recommendations for four colour printing
What is 4-color printing - anyway?
- 4-color printing involves the use of four screens and four inks to reproduce the color of the original. This is referred to as process printing, or CMYK after the inks used.
- The primary colors cyan (C), magenta (M), and yellow (Y) combine in different intensities to create a wide spectrum of colors.
- For offset printing, colors are separated into cyan, magenta, and yellow halftone films. Also a film for black (K), that is created to correct flaws in cyan, magenta, and yellow ink, and to boost the blackness of the image.
- These films are used to make the four plates needed for 4-color offset printing. This is an industry-standard printing method.
- CMYK is a widely used color system for computer printing devices.
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