Color Harmony Generator
Generate complementary, triadic, tetradic and split-complementary palettes.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use Color Harmony Generator
Follow these steps — everything happens instantly in your browser.
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Step 1. Pick a base color or type a HEX value.
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Step 2. Choose a harmony rule (complementary, analogous, triadic, tetradic, split, monochromatic).
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Step 3. Copy any swatch with one click.
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Step 4. Export the palette as CSS variables.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about color harmony generator.
Color Palette Generator
Pick a base color and instantly generate a 5-stop harmonious palette.
Color Shade Generator
Generate a lightness ramp from 3 to 15 shades of any color.
Color Tint Generator
Generate tints of any color — perfect for backgrounds and surfaces.
Color Wheel
Interactive color wheel with live saturation and lightness sliders.