For example, orange, yellow, blue, and violet.
Tetradic colors: A tertradic color scheme forms a rectangle on the color wheel and usually features striking contrast.Triadic colors: A triadic color scheme is one that forms a triangle on the color wheel, like red, yellow, and blue.Analogous colors: A color scheme that has colors that are next to each other on the color wheel, like red, red-orange, and orange, is analogous.
These are high contrast combinations, like yellow and violet or red and green.
