ILLUSTRATED GLOSSARY

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ACHROMATIC GRAYS

Achromatic means “without color”. The term applies to black, white, and grays made by combining black and white. Achromatic grays, like black and white, have no hue and no saturation: only value.

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ADDITIVE COLOR

Color seen as light: additive color primaries are red, green, and blue. When they are combined the result is white light.

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AFTERIMAGE

A common optical effect in which an additional color seems to appear ...

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