Palette Builder is a free color & design tool that runs entirely in your browser — harmonious schemes from one color. No upload, no account, no limits.
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How to use Palette Builder
Open the Palette Builder tool.
Paste or type your color value into the input field.
The output updates as you type — adjust the options if you need a different format.
Copy the result, or share the URL to hand the exact input to someone else.
About Palette Builder
Build a harmonious color scheme from a single base color. Get complementary, analogous and triadic sets plus a tints-and-shades ramp, each swatch click-to-copy. A great starting point for a UI or brand palette.
What people use it for
Generate a complementary or triadic palette from a brand color.
Create a tints-and-shades ramp for a design system.
Frequently asked questions
Which harmonies are generated?
Complementary, analogous, triadic, and a five-step tints-and-shades scale.
Is it private?
Every calculation happens on this page, in your own browser. Your input is never sent to a server, never logged and never used for training — which also means the tool keeps working when you are offline.