Color Palette Generator

Create harmonious color palettes, explore design system shades, and export production-ready Tailwind configs and CSS variables instantly.

At a glance

Color Palette Generator is a free browser tool that generates beautiful, harmonious color palettes online. It locks favorite colors in place while continuing to explore and generate complementary colors around them. Nothing is uploaded and no sign-up is needed — everything runs on your device.

Developer Suite: Color Palette CSS Box Shadow CSS Gradient CSS to Tailwind Color Converter HTML to JSX

100% Client-Side Color Harmony & Palette Studio

Generate harmonious schemes, lock swatches, inspect WCAG contrast, explore Tailwind 50-950 shades, and export production code instantly.

Spacebar Quick Generate
Curated Presets:
Active Swatches Click lock to preserve • Click picker to tweak
Polyglot Code Export
CSS Custom Properties (:root)

Why Use This Color Palette Generator?

7 Color Harmony Algorithms: Generate palettes using Random (Golden Ratio), Analogous, Monochromatic, Complementary, Triadic, Tetradic, and Split-Complementary schemes.
Interactive Swatch Locking: Lock favorite colors in place while continuing to explore and generate complementary colors around them.
Tailwind CSS 50–950 Shade Generator: Instantly generate the full 11-step design system shade scale for any chosen color swatch.
Real-Time WCAG 2.1 Contrast Inspection: Check AAA, AA, and AA Large text readability with computed contrast ratios against white and black backgrounds.
Polyglot Code Exporters: Copy CSS Custom Properties (:root), Tailwind CSS theme configurations, JSON data schemas, or direct SVG vector palette files.
100% Client-Side Privacy: All color calculations and exports run in your browser with zero network requests and $0 marginal server cost.

How to Use Color Palette Generator

1

Generate or Pick Harmony Mode

Press the Spacebar or select a color harmony mode like Complementary, Analogous, or Triadic to generate harmonious swatches.

2

Lock and Fine-Tune Swatches

Click the lock icon on swatches you love to preserve them, or use the color picker to customize specific hex codes.

3

Export Production Code

Copy CSS Custom Properties, Tailwind theme configuration, JSON data, or download an SVG vector palette directly into your workflow.

Worked example: Complementary Palette from Indigo Base

The engine converts hex to HSL, rotates hue per harmony rule, converts back, and builds a shade scale with WCAG contrast metrics.

Base Color and Harmony Mode Source 
Base: #6366F1, mode: complementary, count: 5 swatches
Palette CSS Variables Processed 
:root { --color-1: #6366f1; --color-2: #f1ee63; } + Tailwind scale 50-950 with contrast checks

Technical Specifications & Engine Details

Technical specifications and engine details for Color Palette Generator
Specification Details
Supported Formats OPTIONS → CSS, TAILWIND, JSON, SVG
Execution Mode 100% Client-Side In-Browser (client)
Browser Requirements Requires modern web browser with ECMAScript 6+ and standard DOM Web APIs.
Performance Constraints Client browser memory limit (typically 1–2 GB RAM); processing speed depends on local device CPU.
Maintained by Pragyan Pahadi

100% Client-Side Privacy Guarantee

All color math, swatch generation, and file exports occur 100% locally in your web browser. Zero design data is sent to external servers.

Frequently Asked Questions

What is a color harmony and which modes are supported?
Color harmony refers to visually pleasing relationships between colors on the color wheel. This generator supports 7 modes: Random (Golden Ratio distribution), Monochromatic, Analogous, Complementary, Triadic, Tetradic, and Split-Complementary.
How does the swatch lock feature work?
Clicking the lock icon on any swatch locks that color into place. When you generate new palettes or switch modes, locked colors remain preserved while unlocked slots are regenerated to harmonize with them.
Can I export palettes directly to Tailwind CSS or CSS variables?
Yes. Our polyglot code exporter generates valid CSS custom properties (:root variables), ready-to-paste Tailwind CSS theme config blocks, JSON objects, and downloadable SVG vector swatches.
How are the Tailwind color shades (50 to 950) calculated?
Shades are calculated using color mixing curves. Steps 50 to 400 are blended toward white to produce light tints, step 500 represents your base color, and steps 600 to 950 are blended toward deep dark tones for rich UI accents.

Methodology

This tool runs entirely in your browser. The example above shows a representative input and the result it produces.

Last updated .

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