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A short introduction to the physics, perception, specification, and use of color. This document is intended primarily for technical writers and user interface designers.

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Table of Contents

1. Why is color important?
2. The physics of color
3. Color perception
4. Modeling color space
4.1. The Ostwald diagram
4.2. The color wheel and the RGB color model
4.3. The hue-saturation-value (HSV) color model
4.4. The CMY model
4.5. The CMYK model