While most perceptions of color are subjective, some color effects have universal meaning.
- Colors in the red area of the color spectrumare known as warm colors and include red, orange, and yellow. These warm colors evoke emotions ranging from feelings of warmth and comfort to feelings of anger and hostility.
- Colors on the blue side of the spectrum are known as cool colors and include blue, purple, and green. These colors are often described ascalm, but can also call to mind feelings of sadness or indifference.