Corel PaintShop Pro X7, DE User's Guide download pdf (Page 654)

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CMYK channels are simply four separate grayscale images that

represent the percentage and location of cyan, magenta, yellow, and

black in the image. For more information about working with color

channels, see “Using color channels” on page 654.

When you print CMYK separations, Corel PaintShop Pro prints a

separate grayscale page for each primary color. You can then use these

pages as “color plates” when working with a printing service. For more

information about CMYK color separations, see “Printing CMYK color

separations” on page 745.

Understanding how monitor colors and print colors

differ

Computer monitor colors and printed colors may often be quite

different — which is a challenge when you are trying to match a

certain color. Colors can also appear different from monitor to monitor.

Image colors on a monitor are influenced by a variety of factors:

• the color range, called the color gamut, of the input device (such

as the scanner or camera)

• the manufacturer and age of the monitor

• the monitor’s brightness and contrast settings

When you print an image, you introduce other factors that influence

color:

• the quality and absorption properties of the paper

• the color gamut of the printer

• the conversion of RGB values from the monitor to the CMYK

values of the printer’s ink

This conversion is a challenge because of the different approaches to

color between monitors and printers. Because monitors use light to

display color, they use additive colors—when you add them together,

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Corel PaintShop Pro X7, DE User's Guide Page 654

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