Color Harmony Palette Builder
Enter a base color, get 6 harmony schemes derived using color-theory math: monochromatic, analogous, complementary, triadic, tetradic, split-complementary. Each scheme shows all colors with HEX values, one-click copy.
What powers the Color Harmony Palette Builder
6 harmony schemes derived from one base color
Monochromatic (light/dark shades)
Analogous (adjacent hues)
Complementary (opposite hue)
Triadic (3-way 120° split)
Tetradic (4-way 90° split)
Split-complementary (base + 2 adjacent to opposite)
One-click copy per color or full palette
Why the Color Harmony Palette Builder is different
Browser-native
The Color Harmony Palette Builder runs entirely in your browser. Input is processed locally — never uploaded, never logged, never cached anywhere outside your device.
No artificial limits
No daily quotas, no character ceilings, no "upgrade for more" walls. Every feature is the complete feature — the same on the first use as the thousandth.
Production-grade quality
Built to the same engineering bar as paid SaaS tools — accurate algorithms, audited logic, responsive design and accessibility-tested interactions.
Common use contexts
- Designing brand palettes from a primary color
- Generating CSS color variable sets
- Mood board / design system starting point
- Picking harmonious accent colors for a product UI
Private and secure
Zero upload
All processing happens in your browser. Input is never transmitted, logged or cached.
Works offline
Once the page loads, the tool runs without an internet connection. No network calls happen during use.
No tracking
No accounts, no cookies for tool state. Only aggregate analytics count visits at the page level.