🎨 Color Palette Generator

Generate harmonious color palettes from any base color using color theory. Lock individual swatches, then export as CSS variables, Tailwind config or JSON.

Palette Type

Colors: 5 colors

Click Generate Palette to create your first palette.

Export Palette

Generate a palette to see export code.

Text Contrast Preview

Generate a palette to see text contrast preview.

About This Color Palette Generator

What is a Color Palette Generator?

A color palette generator creates sets of harmonious colors from a single base color using color theory relationships — monochromatic, complementary, analogous, triadic and tetradic schemes. This generator produces palettes of 3-10 colors with individual color locking, CSS export and Tailwind config output.

This color palette generator is a browser-based tool used by designers and developers to build harmonious color schemes from any starting hex value — with all calculations running entirely client-side. Rather than guessing which colors work together, the generator applies five established color theory relationships to produce palettes that are visually consistent by construction.

Each of the five palette types serves a different design goal. Monochromatic palettes vary lightness within a single hue — producing clean, unified schemes ideal for design system primary scales. Complementary palettes pair a hue with its 180° opposite, generating maximum contrast for call-to-action pairs. Analogous palettes draw from adjacent hues (within 30°) for soft, cohesive compositions. Triadic palettes distribute three hues 120° apart for vibrant, balanced variety. Tetradic palettes use four hues 90° apart — the richest option for complex multi-section interfaces.

The lock feature distinguishes this color palette generator from basic online tools: pin any swatch to anchor a required brand color, then regenerate the remaining slots freely. According to Adobe Color research, over 85% of professional designers begin palette work from a single established brand color — this workflow is built around exactly that constraint.

How to Use This Color Palette Generator

How the Color Palette Generator Works

Enter a base color using the color picker or type a hex value directly into the input field
Select a palette type — Monochromatic, Complementary, Analogous, Triadic or Tetradic — based on your design goal
Adjust the number of colors using the slider (3 to 10)
Lock any swatches you want to keep by clicking the 🔒 button, then click Generate to refresh the unlocked slots
Export your palette as CSS variables, a Tailwind config block or a raw JSON array using the export tabs below the swatches

Use our Contrast Checker after generating your palette to verify that text and background combinations meet WCAG AA and AAA accessibility standards.

Match the palette type to the problem: monochromatic for typography scales and UI primary palettes, complementary for high-contrast button pairs, analogous for illustration and hero sections, triadic for data visualisation with distinct color categories, and tetradic for complex multi-section layouts where breadth is required without sacrificing harmony.

Who Uses a Color Palette Generator

UI and UX designers use this color palette generator to establish color tokens for design systems — mapping a generated palette directly to CSS custom properties or Tailwind configuration keys. The built-in export formats eliminate the manual translation step between design software and production code.

Brand designers — Extending a single primary brand color into a full visual identity palette using color theory
Front-end developers — Generating CSS variable sets or Tailwind palette configs ready to drop into a project stylesheet
Illustrators and digital artists — Exploring color harmony relationships before committing to a composition's color structure
Data visualisation engineers — Generating categorical color sets using triadic or tetradic schemes for chart series that remain distinguishable at a glance
Marketing teams — Building campaign color palettes that maintain brand consistency across digital and print assets

The contrast preview section below the swatches helps every user identify which colors can carry white or black text at readable contrast ratios — bridging aesthetics with accessibility without leaving the tool. Explore all our Color Tools for the full suite of color utilities.

Frequently Asked Questions

What is a color palette generator? +

A color palette generator is a browser-based tool that creates harmonious sets of colors from a single base color using color theory relationships — monochromatic, complementary, analogous, triadic and tetradic. This tool generates palettes of 3-10 colors, lets you lock individual swatches, and exports results as CSS variables, a Tailwind config block or a JSON array.

How does the color palette generator create harmonious colors? +

The color palette generator uses HSL (Hue, Saturation, Lightness) color model mathematics. Each palette type applies a different hue relationship: monochromatic varies lightness at the same hue; complementary uses the opposite hue (180°); analogous stays within 30° of the base hue; triadic spaces hues 120° apart; tetradic spaces them 90° apart. All calculations run client-side — no server call, no data uploaded.

What is the difference between monochromatic and analogous palettes? +

A monochromatic palette uses a single hue with varied lightness — producing a clean, unified look ideal for minimalist interfaces and type hierarchies. An analogous palette uses adjacent hues on the color wheel (within 30°), offering more visual variety while remaining harmonious. Monochromatic palettes are used for primary UI scales; analogous palettes suit illustrations, hero sections and brand work that needs tonal range.

What is a complementary color palette? +

A complementary color palette pairs a base color with its direct opposite on the color wheel (180° apart in hue), plus lightness variations of each. This creates high-contrast combinations used in call-to-action buttons, product packaging and brand identity where strong visual contrast is a design requirement. Use complementary pairs in small quantities — large areas of pure complementary colors can cause visual vibration.

How do I export my palette to CSS or Tailwind? +

After generating a palette, scroll to the Export section below the swatches. Click "CSS Variables" to get a --color-1 through --color-N block ready to paste into any stylesheet. Click "Tailwind" for a colors config block formatted for tailwind.config.js. The "JSON" tab produces a raw hex array with a Download button to save it as a .json file for use in any other system.

What does locking a color do? +

Clicking the lock icon (🔒) on a swatch preserves that exact hex value when you click Generate again. All unlocked colors are recalculated according to the palette type and base color, while locked swatches remain unchanged. This is the primary workflow for brand designers who need to anchor a required primary color and explore harmonious options for secondary and tertiary palette slots.

How many colors can I generate in one palette? +

The color palette generator supports 3 to 10 colors per palette. Adjust the slider before generating. For design system color tokens, 5-7 colors is a common standard. For a complete tint and shade scale from near-white to near-black, use the Tint & Shade Generator — it produces a 10-step lightness gradient of a single hue specifically for that use case.