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WebColorTools

Color Wheel

Explore color harmonies on an interactive wheel. Complementary, triadic, analogous, and more — export to CSS. Free, in your browser.

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Color Wheel Color Harmony Complementary Design CSS
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Enter a HEX code or click and drag anywhere on the wheel to pick a color. · Markers show harmony positions

Harmony

72%

Harmony colors

Tap a swatch for HEX, RGB, HSL, and OKLCH copy buttons.

Export harmony colors

How to use the Color Wheel

Four steps from base hue to export-ready harmony colors.

  1. 1

    Pick a base hue

    Type or paste a HEX code, use the swatch picker, or click and drag on the color wheel ring. The center preview and Base swatch update instantly.

  2. 2

    Choose a harmony

    Select Complementary, Analogous, Triadic, Split-complementary, Tetradic, or Square. Markers on the wheel show where each harmony hue sits.

  3. 3

    Fine-tune saturation and lightness

    Use the sliders to adjust vividness and brightness. All harmony swatches share the same S/L so the scheme stays cohesive.

  4. 4

    Copy or export

    Tap a swatch for HEX, RGB, HSL, and OKLCH with one-click copy. Export the full harmony set as CSS, Tailwind, SCSS, JSON, or more.

What is a color wheel?

Color harmonies explained

Each diagram shows where harmony hues sit on the wheel — same angle math as the interactive tool. Base hue at the top (0°); dots and lines mark partner positions.

Complementary

Hues opposite on the wheel (~180° apart). Strong contrast — ideal for call-to-action buttons, headlines, and energetic layouts.

Analogous

Neighboring hues within about 30°. Calm and cohesive — great for dashboards, nature themes, and gradients.

Triadic

Three hues spaced 120° apart. Lively but balanced — common in illustrations and playful brands.

Split-complementary

Base hue plus the two colors adjacent to its complement. High contrast without the tension of a pure complementary pair.

Tetradic

Two complementary pairs (rectangle on the wheel). Rich palettes for complex UI themes and brand systems.

Square

Four hues spaced 90° apart. Structured variety for bold, balanced four-color schemes.

A color wheel is the foundation of practical color theory. Instead of guessing which hex codes work together, you pick a base hue and let geometry on the wheel suggest partners. Complementary colors sit opposite each other and deliver bold contrast. Analogous harmonies cluster nearby hues for serene, unified designs. Triadic schemes rotate 120° for vibrant balance, while split-complementary, tetradic, and square harmonies give you structured variety for complex interfaces and brand systems.

WebColorTools runs the same hue math used in our Palette Generator — normalized angles on a 360° wheel, converted to RGB through shared HSL logic. Drag the ring to explore hues interactively; markers show exactly where each harmony color lands. Saturation and lightness sliders keep the set cohesive: every swatch shares your chosen vividness and brightness while hues shift according to the selected scheme. That mirrors how designers work in Figma or Adobe apps, but without installing software.

Who uses a color harmony wheel? Web developers pairing primary buttons with accessible link colors; brand designers testing logo palettes against marketing backgrounds; illustrators building triadic schemes; students learning why orange pops on blue. Click any swatch to copy HEX, RGB, HSL, or OKLCH, then paste into CSS, Tailwind, or design tokens. Export the full harmony as CSS custom properties, a Tailwind colors object, SCSS variables, JSON, or a plain list — the same export modal as our palette tools.

Search queries like color wheel online, color harmony generator, complementary color picker, and triadic color scheme all describe this workflow. Pair results with our Contrast Checker before using harmony colors as text and background, or open the Color Converter for additional formats. Everything runs client-side in your browser — no account, no upload, no API. Whether you are prototyping a landing page or teaching color theory, an interactive color wheel tool turns abstract angles into copy-ready codes in seconds.

Frequently asked questions

What is a color wheel?
A color wheel arranges hues in a circle so you can see relationships at a glance. The classic wheel places red, yellow, and blue (or modern RGB primaries) around the ring. Designers use it to build color harmonies — sets of hues that look balanced together because of their angles on the wheel.
What are complementary colors?
Complementary colors sit opposite each other on the wheel — roughly 180° apart. Pairs like blue and orange or red and green create strong contrast, ideal for call-to-action buttons, headlines, and energetic layouts. This tool marks complementary partners automatically when you pick a base hue.
When should I use triadic or analogous harmonies?
Triadic schemes use three hues spaced 120° apart — lively but still balanced, common in illustrations and playful brands. Analogous colors are neighbors on the wheel (within about 30°), feeling calm and cohesive — great for dashboards, nature themes, and gradients. Try each harmony mode to compare swatches instantly.
What is split-complementary vs tetradic?
Split-complementary starts with your base hue plus the two colors adjacent to its complement — high contrast without the tension of a pure complementary pair. Tetradic (rectangle) uses two complementary pairs; square places four hues 90° apart. Both offer rich palettes for complex UI themes.
Can I export the harmony colors?
Yes. Click Export to open the palette export dialog — copy CSS variables, Tailwind config, SCSS, JSON, a color list, or Figma-ready values. Adjust saturation and lightness sliders first; harmony swatches update live before you export.

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