Color Palette Generator
Generate harmonious color palettes from any base color with our free color palette generator. Choose from 7 color harmony rules — complementary, triadic, analogous, split-complementary, tetradic, monochromatic, or Tailwind-style shades. Every swatch includes HEX, RGB, HSL values and WCAG contrast scores. Export as CSS variables, Tailwind config, or SVG swatches — no signup required.
Pick a base color, choose a harmony rule, and get a ready-to-use color palette with HEX, RGB, HSL values and WCAG contrast scores. Export as CSS variables, Tailwind config, or SVG swatches. All processing runs locally in your browser.
Quick presets:
Complementary Palette
Opposite hues — high contrast, vibrant · 5 colors · Click any swatch to copy HEX
Base
rgb(13, 162, 231)
hsl(199°, 89%, 48%)
Base Light
rgb(101, 200, 246)
hsl(199°, 89%, 68%)
Base Dark
rgb(8, 95, 135)
hsl(199°, 89%, 28%)
Complement
rgb(231, 82, 13)
hsl(19°, 89%, 48%)
Complement Light
rgb(246, 147, 101)
hsl(19°, 89%, 68%)
Export Palette
:root {
--color-base: #0da2e7;
--color-base-light: #65c8f6;
--color-base-dark: #085f87;
--color-complement: #e7520d;
--color-complement-light: #f69365;
}// tailwind.config.js
module.exports = {
theme: {
extend: {
colors: {
'brand': {
'base': '#0da2e7',
'base-light': '#65c8f6',
'base-dark': '#085f87',
'complement': '#e7520d',
'complement-light': '#f69365',
},
},
},
},
};Why Use Our Color Palette Generator?
Fast, accurate color palette generation with color theory rules and WCAG accessibility scores
Instant Color Palette Generation
Generate harmonious color palettes from any base color instantly. Our color palette generator applies color theory rules in real time — pick a color, choose a harmony, and get a complete palette with HEX, RGB, and HSL values in milliseconds.
Secure Color Palette Generator Online
All color palette generation happens locally in your browser — no data is sent to any server. Use our color palette generator online with complete privacy. Your color choices and project details never leave your device.
Color Palette Generator — No Installation
Generate color palettes directly in any browser with no design software, plugins, or downloads required. Our color palette generator works on any device, anywhere — just pick a color and copy the output.
7 Harmony Rules + WCAG Contrast Scores
Choose from 7 color harmony rules — complementary, triadic, analogous, split-complementary, tetradic, monochromatic, and Tailwind-style shades. Every swatch includes WCAG AA/AAA contrast scores for white and black text.
Common Use Cases for Color Palette Generator
Practical scenarios where our color palette generator saves time
Web Application UI Design
Front-end developers use our color palette generator to create a consistent color system for React, Vue, or Angular apps. Pick a brand color, generate a complementary or monochromatic palette, and export as CSS variables or Tailwind config in one click.
Brand Identity Development
Designers use our color palette generator to build brand color systems from a primary brand color. The triadic and analogous harmony rules produce professional palettes that work across logos, marketing materials, and digital products.
Tailwind CSS Theme Setup
Tailwind developers use our color palette generator to create a custom color scale (50–900) from any brand color. The Shades harmony generates a Tailwind-compatible shade scale that can be pasted directly into tailwind.config.js.
Accessibility-First Design
Accessibility engineers use our color palette generator to check WCAG contrast ratios before finalizing a color system. Every swatch shows AA and AAA compliance scores for white and black text, helping you choose accessible color combinations.
Landing Page and Marketing Design
Marketers and no-code designers use our color palette generator to create visually appealing color schemes for landing pages. The complementary and split-complementary harmonies produce high-contrast palettes that draw attention to CTAs.
Design System Documentation
Design system engineers use our color palette generator to export SVG swatch sheets and CSS variable files for design system documentation. The exported SVG shows color names, HEX codes, and values in a presentation-ready format.
Understanding Color Palette Generation
How color harmony rules work and how to use generated palettes in your projects
What is a Color Palette Generator?
A color palette generator is a tool that creates harmonious sets of colors from a single base color using color theory rules. Color theory defines relationships between colors on the color wheel — hues that are opposite, adjacent, or evenly spaced tend to look visually balanced together. Our color palette generator online applies these rules automatically: pick any base color, choose a harmony type, and get a complete palette with HEX, RGB, and HSL values, plus WCAG contrast scores for accessibility. All generation happens instantly in your browser — no server, no signup required.
How Our Color Palette Generator Works
- 1. Pick Your Base Color: Use the color picker or type a HEX code directly. Choose from 6 preset colors (Ocean Blue, Forest Green, Sunset Orange, Royal Purple, Rose Pink, Golden Yellow) to get started instantly.
- 2. Choose a Harmony Rule: Select from 7 color harmony types — complementary, triadic, analogous, split-complementary, tetradic, monochromatic, or Tailwind-style shades. The generator applies the rule to your base color's HSL values to produce a mathematically balanced palette.
- 3. Export Your Palette: Click any swatch to copy its HEX code. Export the full palette as CSS custom properties, a Tailwind config snippet, an SVG swatch sheet, or a plain HEX list.
The 7 Color Harmony Rules
- Complementary: Uses the base color and its opposite on the color wheel (180° apart). Creates high contrast and vibrant combinations — ideal for CTAs and attention-grabbing designs.
- Triadic: Uses three colors evenly spaced 120° apart on the color wheel. Produces balanced, colorful palettes that feel energetic without being overwhelming.
- Analogous: Uses colors adjacent to the base (±15° and ±30°). Creates harmonious, natural palettes that feel cohesive — common in nature-inspired and calm designs.
- Split-Complementary: Uses the base color plus two colors adjacent to its complement (150° and 210°). Softer contrast than complementary — a safer choice for beginners.
- Tetradic: Uses four colors in a rectangle on the color wheel (90° apart). Rich and complex — works best when one color dominates and the others are used as accents.
- Monochromatic: Uses the same hue at different lightness levels. Elegant and cohesive — ideal for minimal, sophisticated designs.
- Shades (50–900): Generates a Tailwind CSS-style shade scale from the base color. Perfect for creating a complete color token system for design systems and component libraries.
Understanding WCAG Contrast Scores
Every swatch in our color palette generator shows WCAG contrast scores for white (⬜) and black (⬛) text. The Web Content Accessibility Guidelines (WCAG) require a minimum contrast ratio of 4.5:1 for normal text (AA) and 7:1 for enhanced accessibility (AAA). A ratio of 3:1 is acceptable for large text (AA Large). Use these scores to choose accessible text colors for each background in your palette — green badges indicate passing scores, red badges indicate failing scores.
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Frequently Asked Questions About Color Palette Generator
Common questions about generating harmonious color palettes online
A color palette generator is a tool that creates harmonious sets of colors from a single base color using color theory rules. Our color palette generator online applies 7 harmony rules — complementary, triadic, analogous, split-complementary, tetradic, monochromatic, and Tailwind-style shades — to produce balanced palettes with HEX, RGB, and HSL values. All generation runs instantly in your browser — no signup required.
Complementary palettes use colors that are opposite on the color wheel (180° apart), creating high contrast and vibrant combinations — ideal for CTAs and attention-grabbing designs. Analogous palettes use colors adjacent to the base color (±15° and ±30°), creating harmonious, natural combinations that feel cohesive — common in nature-inspired and calm designs.
The Shades harmony generates a Tailwind CSS-style shade scale from your base color — 10 shades from very light (50) to very dark (900). This is the same scale used by Tailwind CSS for colors like blue-50 through blue-900. Use it to create a complete color token system for design systems and component libraries.
WCAG contrast scores show whether white or black text is readable on each color background. A ratio of 4.5:1 or higher passes AA (normal text), 7:1 or higher passes AAA (enhanced), and 3:1 passes AA Large (large text only). Green badges indicate passing scores, red badges indicate failing. Use these to choose accessible text colors for your palette.
Click "Download CSS" or "Copy" next to the CSS Variables export to get a :root block with CSS custom properties (--color-base, --color-complement, etc.). Paste this into your global CSS file and reference the variables anywhere in your stylesheet using var(--color-base).
Click "Download Tailwind" or "Copy" next to the Tailwind Config export to get a tailwind.config.js snippet. Paste the colors object into your theme.extend.colors section. The Shades harmony generates a 50–900 scale that integrates seamlessly with Tailwind's existing color system.
Absolutely. All color palette generation happens entirely in your browser using JavaScript. Your color choices and project details are never sent to any server. Everything runs locally on your device, ensuring complete privacy.
Yes. Click "Download SVG" to get a vector SVG file showing all palette swatches with their HEX codes and names. The SVG is scalable and can be imported into Figma, Sketch, Illustrator, or any vector design tool for use in design system documentation.
Yes! Our color palette generator is 100% free with no signup, no ads, and no usage limits. Generate color palettes for any project as many times as you need — completely free, forever.