How to use a color wheel to find complementary, triadic and other matching colors
This interactive color wheel finds colors that go together. Drag on the wheel or type a HEX code to set a base color, adjust its saturation and lightness, then read off six classic schemes: complementary, split complementary, analogous, triadic, tetradic and square. Each scheme lists copyable HEX codes and a small sample card, so you can judge the combination before you use it.
Find the complementary color of any HEX code
Type the code into HEX / CSS color, which also accepts rgb(), hsl() and CSS color names, and the wheel moves to that color. Open the Complementary scheme and the second swatch is the color directly opposite, 180 degrees around the wheel. For #3B82F6 that is #F6AF3C. Select any swatch to copy its code. The wheel works in hue, saturation and lightness, so the partner keeps your base saturation and lightness, and a muted base gives a muted partner.
Pick a base color and adjust saturation and lightness
On the wheel, the angle sets the hue and the distance from the center sets saturation, from gray in the middle to full color at the rim. Lightness has its own slider, from 0 to 100 percent. With the wheel focused, the arrow keys nudge the hue left or right and the saturation up or down, in steps of 1, or 10 with Shift. Markers on the wheel show where the other colors of the chosen scheme sit.
Choose between split complementary, triadic, tetradic and square
The schemes differ only in how far the hue is turned from your base. Complementary adds 180 degrees, split complementary adds 150 and 210, and analogous uses 30 degrees either side. Triadic adds 120 and 240. Tetradic adds 60, 180 and 240, a rectangle of two opposite pairs, and Square adds 90, 180 and 270. Analogous is the calmest choice, split complementary and triadic add contrast with balance, and tetradic or square work best when one color clearly leads.
Check a scheme on the sample card before you commit
Under each scheme, a small mock-up card uses the first color for the header, the second for the button and the rest as dots, and the text switches between dark and light so it stays readable. It gives a quick feel for balance but is not a contrast test, so read the contrast ratio of a color in the picker. When you want more shades around the base, generate a full palette and lock the colors you like.
Before you use a scheme
- Let one color lead and use the others in small amounts.
- Lower the saturation or raise the lightness of colors that sit behind text.
- Copy each HEX code you need, because the page does not save or export them.
- Test text colors for contrast, since the wheel shows relationships, not accessibility.
Turning a color harmony into something you can use
Once a complementary or triadic set looks right, build a 3 to 8 color palette you can lock and export as CSS or JSON, and check what each hue is said to signal before it goes on a brand. To try the scheme on a real object in a photo, recolor that object by describing it.
What you can do with Color Wheel
Review the main capabilities before you begin.
- Explore complementary and analogous color schemes
- Find triadic, tetradic, and square harmonies
- Copy hex codes for every matching color
- Fine-tune saturation and lightness live
- Pick a base color for your design palette
Settings reference
5 settings
Available controls for Color Wheel.
Options
- Base color (hue and saturation)Color picker
- Drag anywhere on the interactive wheel to choose your starting color: the angle sets the hue and the distance from the center sets the saturation.
- HEX / CSS colorText input
- Type or paste any HEX code, rgb(), hsl(), or CSS color name to jump the wheel straight to an exact color you already have.
- SaturationSliderRange: 0–100% · Default: 91%
- Adjusts how vivid the base color is, from fully gray at 0% to the purest, most intense version of the hue at 100%.
- LightnessSliderRange: 0–100% · Default: 60%
- Controls how light or dark the base color is, from black at 0% through the pure hue to white at 100%; every harmony updates to match.
- HarmonyPresets
- Picks which classic color-wheel relationship to highlight on the wheel, placing markers for its companion colors so you can see how the scheme is built.Options: ComplementarySplit complementaryAnalogousTriadicTetradic (rectangle)Square
Related tools for Color Wheel
Tools for common next steps after Color Wheel.
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How Color Wheel helps you get it done
Real problems it solves every day — for businesses, creators, and everyday tasks. Find the use case that fits you and start.
Learn color theory
See every classic harmony computed live from a base color you choose, with a plain-English explanation of when and why each scheme works.
Pick website accent colors
Type your brand hex into the wheel and use split-complementary or triadic schemes to find accent colors that contrast without clashing.
Preview schemes on a real UI
Each harmony is applied to a small sample card — header, body, button, and dots — so you can judge combinations in context instead of as abstract swatches.
Art and illustration palettes
Use analogous harmonies for natural, serene scenes and complementary ones for dramatic focal points, copying exact hex codes into your painting app.
Watch each transformation land
Every photo crosses the slash untouched and comes out the other side finished.


























