Uses colors adjacent on the color wheel for a calm, cohesive palette.

Variations in lightness/saturation of a single hue—clean and versatile.

Three hues evenly spaced at 120°, balanced yet vibrant.

Opposing hues (180° apart) create high contrast and energy.

Base hue plus two adjacent to its complement—contrast with less tension.

Four hues 90° apart—dynamic and colorful.

Four hues forming a rectangle—rich combos; manage dominance carefully.