large percentage of the visible spectrum can be
represented by mixing red, green, and blue colored light in various
proportions and intensities. Where the colors overlap, they create
secondary colors--cyan, magenta, yellow--and white.
RGB colors are also called additive
colors. Additive colors are created by mixing spectral light in varying
combinations. Adding all colors together creates white--that is, all
visible wavelengths are transmitted back to the eye. Additive colors
are used for lighting, video, and monitors. Your monitor, for example,
creates color by emitting light through red, green, and blue phosphors.
Additive colors (the RGB model)
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