Pro Color Engine
Professional HSL palettes with accessibility & UI preview
Golden Horizon
This is a preview of how your colors interact in a user interface. Check accessibility below.
About the Pro Color Engine
The Pro Color Engine builds professional color palettes from a single base color using color theory harmony rules — analogous, complementary, triadic, tetradic, monochromatic, and shades & tints. Preview how the palette looks in a real UI card, then export it as CSS variables, Tailwind config, JSON, or a plain hex list.
How to Build a Color Palette
- Pick a base color, or click Regenerate for a random starting point.
- Choose a harmony mode, like Analogous or Triadic.
- Adjust the variation — Soft, Vibrant or Deep.
- Preview the design, then export in your preferred format.
Key Features
- Seven color harmony modes based on color theory
- Live UI preview card
- Export as CSS variables, Tailwind, JSON or hex list
- Adjustable variation from pastel to vibrant to deep
FAQ
What does "harmony mode" mean?
Each mode applies a different color theory rule — like analogous or complementary — to generate colors that work well together starting from your base color.
Can I export the palette for my project?
Yes, export as CSS variables, a Tailwind config snippet, JSON, or a plain list of hex codes.
Does the preview show accessibility information?
The design preview shows how your palette looks together in a sample UI card.
Is my palette saved anywhere?
No, palettes are generated entirely in your browser and aren't stored.