What is a complementary color palette?

A complementary palette uses two colors directly opposite each other on the color wheel (e.g., blue and orange). Complementary pairs create high contrast and visual energy, making them effective for calls-to-action against a brand color.

What is the difference between a tint and a shade?

A tint is a color mixed with white (lighter). A shade is a color mixed with black (darker). Design systems like Tailwind CSS use a scale of tints and shades numbered 50-950 to provide light and dark variants of each color for backgrounds, borders, and text.

What is a WCAG contrast ratio?

WCAG (Web Content Accessibility Guidelines) requires a minimum contrast ratio of 4.5:1 between text and background for normal text (AA) and 7:1 for enhanced (AAA) accessibility. The tool shows contrast ratios so you can verify that color combinations meet accessibility standards.

Can I export the palette as CSS variables?

Yes. Click Export to get the palette as CSS custom properties (--color-primary: #3b82f6; etc.) ready to paste into your project's design token file.

What is an analogous color scheme?

Analogous colors are adjacent on the color wheel (e.g., yellow, yellow-green, green). They create harmonious, naturalistic palettes with less contrast than complementary pairs, often used for backgrounds and supporting UI elements.

All Tools›UI / CSS›

Color Palette Generator

Free · No Server

Pick any color and get tints, shades, complementary, triadic and analogous palettes with CSS variables.

Hex

HSL

RGB

Tints (lighter)

Shades (darker)

Full Scale (50–950)

Complementary

Triadic

Analogous

WCAG Contrast Checker

Text #6366f1Background #ffffff

AaThe quick brown fox

Ratio: 4.47:1✕ AA normal✓ AA large✕ AAA normal✕ AAA large

Export Scale

:root {
  --color-100: #e7e7fe;
  --color-200: #b7b8fb;
  --color-300: #6e71f7;
  --color-400: #262af2;
  --color-500: #0d10d9;
  --color-600: #0a0ca9;
  --color-700: #070978;
  --color-800: #040548;
  --color-900: #030430;
  --color-1000: #010218;
}

What is Color Palette?

The Color Palette Generator on AiTechWorlds creates harmonious, professional color palettes from any base color using established color theory rules. Choosing colors that work together is one of the hardest parts of UI design. This tool generates complementary, analogous, triadic, split-complementary, tetradic, and monochromatic palettes from a single seed color. Each generated color is displayed with HEX, RGB, and HSL values, contrast ratio against white and black (for WCAG accessibility checking), and a preview swatch. You can also generate tints and shades of any color for a full design system color scale. All generation runs in your browser with no server call. AiTechWorlds designed this tool for frontend developers, UI designers, and brand designers who need data-driven color palettes fast.

How to Use

1
Pick a base color
Use the color picker or enter a HEX, RGB, or HSL value as your starting color.
2
Choose harmony type
Select complementary, analogous, triadic, tetradic, or monochromatic.
3
View the palette
Generated colors appear as swatches with HEX, RGB, and HSL values.
4
Check accessibility
Contrast ratios against white and black are shown to verify WCAG compliance.
5
Export
Copy individual color values or export the full palette as CSS variables or a JSON token file.

Common Use Cases

UI designers generating brand-consistent color palettes from a primary brand color
Frontend developers building design system color tokens
Web developers choosing accessible text and background color combinations
Marketers creating consistent color schemes for campaign materials
Developers generating tint/shade scales for component variants

Key Features

Complementary, analogous, triadic, tetradic, and monochromatic harmony modes
Tint and shade scale generation (50-950 range)
HEX, RGB, and HSL value export
WCAG contrast ratio display for accessibility
CSS custom property export
100% browser-based
Copy individual or all palette values

🔒

100% Private — No Server Required

All processing happens directly in your browser. No data is uploaded, stored, or transmitted to any server.

Frequently Asked Questions

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Last reviewed on June 1, 2026 by the AiTechWorlds Tools Team. All processing runs locally in your browser.

AiTechWorlds

:root { --color-100: #e7e7fe; --color-200: #b7b8fb; --color-300: #6e71f7; --color-400: #262af2; --color-500: #0d10d9; --color-600: #0a0ca9; --color-700: #070978; --color-800: #040548; --color-900: #030430; --color-1000: #010218; }

What is Color Palette?

How to Use

Pick a base color

Use the color picker or enter a HEX, RGB, or HSL value as your starting color.

Choose harmony type

Select complementary, analogous, triadic, tetradic, or monochromatic.

View the palette

Generated colors appear as swatches with HEX, RGB, and HSL values.

Check accessibility

Contrast ratios against white and black are shown to verify WCAG compliance.

Export

Copy individual color values or export the full palette as CSS variables or a JSON token file.

Common Use Cases

UI designers generating brand-consistent color palettes from a primary brand color

Frontend developers building design system color tokens

Web developers choosing accessible text and background color combinations

Marketers creating consistent color schemes for campaign materials

Developers generating tint/shade scales for component variants