Color theory encompasses a multitude of definitions, concepts and design applications. There are three basic categories of color theory that are logical and useful: The color wheel, color harmony, and the context of how colors are used. Color theories create a logical structure for color. Below are examples of complimentary, supplementary, simultaneous, monochromatic, triadic, low saturation and high saturation.
Supplementary


simultaneous


Low Saturation


High Saturation


Triadic


monochromatic


Analogous


Complimentary


bad color


Good Color

