Reproducing colors
Colors on a monitor are displayed using combinations of red, green, and blue light (called RGB), while printed colors are typically created using a combination of four ink colors—cyan, magenta, yellow, and black (called CMYK). These four inks are called process colors because they are the standard inks used in the four-color printing process.
RGB image with red, green, and blue channels
CMYK image with cyan, magenta, yellow, and black channels
For color samples of channels in both RGB and CMYK images, see figure 18-1 and ... |
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