Intensity The brightness or dullness of a color. It is changed by adding the complimentary color. Color Harmonies Complimentary Varying values and intensities of two colors opposite on the color wheel. Triadic Monochromatic Varying values and intensities of one color. Analogous Three hues adjacent on the color wheel.
Passage of time is overestimated in a red surround.
It is an active color. Used in fast food restaurants Red cars are considered faster. We have a greater urge to pass them. Blue Considered a restful color. It is a receding color.