Color Harmonies
15 free color harmony tools. Explore the color wheel, generate complementary, analogous, triadic, tetradic, split-complementary and monochromatic palettes from any base color.
Interactive Color Wheel
Click any hue on the color wheel to see its complementary, analogous, triadic and other harmonies.
Open Tool →Complementary Colors
Find the opposite color on the wheel. Maximum contrast for CTAs, alerts and attention.
Open Tool →Analogous Colors
Adjacent hues for calm, cohesive designs. Ideal for wellness, editorial and nature themes.
Open Tool →Triadic Colors
Three colors 120° apart for balanced vibrancy — the classic red/yellow/blue triad.
Open Tool →Tetradic Colors
Four colors in two complementary pairs — rich variety for complex designs.
Open Tool →Split Complementary
Base + two neighbors of the complement — softer contrast, easier to balance.
Open Tool →Monochromatic Colors
One hue with varying lightness. Elegant, minimal and the foundation of design systems.
Open Tool →All Color Harmonies
Complete reference to every harmony type with explanations and when to use each.
Open Tool →Color Harmony Analyzer
See all six harmonies for any base color at once — complementary through monochromatic.
Open Tool →Color Relationships
Explore every relationship with labeled hue offsets from the base color.
Open Tool →Color Wheel Generator
Generate custom color wheels with any number of segments. Download as SVG.
Open Tool →Color Temperature Explorer
Explore warm vs cool colors across the full spectrum. Understand color psychology.
Open Tool →Color Theory Tools
Browse every color theory tool in one hub — the entry point to all harmony tools.
Open Tool →About Color Harmonies
Color harmony is the study of which combinations of colors look pleasing together. Every harmony type is based on the geometric relationship between hues on the color wheel. The classic harmonies — complementary (180° apart), analogous (adjacent), triadic (120° apart) and tetradic (90° apart) — have been used by painters and designers for centuries.
OmniColor's harmony tools let you explore each harmony type interactively. Pick a base color, see every harmony at once, and copy any color you like. Perfect for learning color theory, building brand palettes, or just exploring.
Which Harmony Should I Use?
- High contrast: Complementary — for CTAs and attention.
- Calm cohesion: Analogous — for wellness and editorial design.
- Balance and vibrancy: Triadic — for playful brands and data viz.
- Rich variety: Tetradic — for complex designs and dashboards.
- Softer contrast: Split-complementary — the easier complementary.
- Minimal elegance: Monochromatic — the design system foundation.