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Considering Your Computer's Monitor
Your ability to create colors is limited by how many colors you can work with on the monitor screen. Of
course, if you are using a monochrome monitor, creating color printouts will be extremely difficult.
Monitors are classified by their resolution and the number of different colors they can display. At lower
resolution, color monitors can display more colors.
Older CGA color monitors can produce only a small number of colors at a low resolution. Most newer
monitors can display many more at higher resolutions. For example, a VGA or XGA graphics system can
display 256 or more different colors at higher resolutions.
The way monitors display colors and the way printers print color are very different. Monitors generate
light while printed materials reflect light. Monitors combine three colors of light, (red, green and blue) at
different intensities to produce the appearance of many different colors.
Printers combine three color values (cyan, yellow, and magenta) to produce different colors on your
output. By overlaying dots of ink in a variety of combinations and varying the amount of each ink, your
printer can produce virtually any color desired.
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