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HomeToolsColor & DesignFree Color Palette Generator
Color & DesignDesign

Free Color Palette Generator

Generate gorgeous, cohesive color palettes with color harmony algorithms, lockable color slots, 20+ curated designer palettes, live UI mockup preview, and 1-click Tailwind export.

TA
Tanbir Ahamed·Founder of ToolWise · Software Engineer
Published July 2026Updated August 2026

Interactive Tool Workspace

Harmony:

Live UI Mockup Preview

Featured ComponentToolWise Preview

Stunning Color System

This is a live preview showing how your generated palette pairs background, card surfaces, badges, and primary action buttons.

Curated Designer Palettes (22)

Generated Code

:root {
  --color-1: #6366F1;
  --color-2: #8B5CF6;
  --color-3: #EC4899;
  --color-4: #F43F5E;
  --color-5: #F97316;
}

How to Use

  1. 1Click "🎲 Roll Palette" to generate instant harmonious color palettes.
  2. 2Click the Lock icon on any color you like to keep it pinned.
  3. 3Choose a harmony rule (Analogous, Complementary, Triadic, Monochromatic).
  4. 4Explore 20+ curated palettes (SaaS, Sunset, Ocean, Pastel, Cyberpunk).
  5. 5Preview how your palette looks on live UI component cards.
  6. 6Copy CSS variables, Tailwind classes, or hex codes with one click.

Features

  • ✓Color harmony engine (Analogous, Complementary, Triadic, Tetradic, Monochromatic)
  • ✓Lockable color swatches with independent color picker editing
  • ✓20+ curated palettes across 5 designer categories
  • ✓Live interactive UI component mockup preview
  • ✓🎲 One-click Roll Palette generator
  • ✓CSS Variables, Tailwind config, SCSS, and JSON export
  • ✓Contrast luminance indicators on every color swatch
Comprehensive Guide & Reference

The Complete Guide to Color Harmonies & UI Systems

Discover how mathematical color harmonies create emotional resonance, improve readability, and ensure consistent brand identities.

1. The Science of the Color Wheel

The color wheel maps the full 360-degree visible spectrum into geometric relationships:

  • Analogous: Colors within 30–60 degrees of each other. Produces calm, organic, and cohesive brand identities.
  • Complementary: Colors separated by 180 degrees. High contrast, energetic, and ideal for highlighting primary CTA buttons.
  • Triadic: Colors spaced 120 degrees apart. Offers balanced vibrancy across diverse UI components.
  • Monochromatic: Variations in saturation and lightness of a single hue. Perfect for clean, modern SaaS dashboards.

2. The 60-30-10 UI Design Rule

To avoid visual fatigue, balance your palette in application: 60% dominant neutral background, 30% secondary card and navigation surfaces, and 10% high-impact accent color for primary actions.

Frequently Asked Questions

How do color harmonies work in palette generation?
Color harmonies use geometric angles on the 360-degree color wheel. Analogous colors sit adjacent to each other for natural harmony, Complementary colors sit opposite for high contrast, and Triadic colors are evenly spaced 120 degrees apart for vibrant balance.
How do I lock specific colors while generating?
Click the padlock icon on any color swatch. When you click "🎲 Roll Random" or press the Spacebar, locked colors remain fixed while unlocked colors cycle through harmonious matches.
Can I export to Tailwind CSS and CSS Variables?
Yes! Toggle the Output tab to copy clean CSS custom properties, Tailwind configuration objects, SCSS variables, or JSON arrays.

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