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Guides & tutorials

  • Color Palette Generator: Build Harmonious, Accessible UI Palettes (60-30-10 Rule)

    A great UI starts with the palette. Build analogous, complementary, and triadic color schemes that pass WCAG contrast, with copy-ready HEX/HSL/Tailwind tokens.

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  • Contrast Checker

    Check color contrast accessibility (WCAG).

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    Interactive color wheel to generate color themes with harmony presets (analogous, complementary, triadic, and more).

  • CSS Color Code Converter

    Convert between HEX/HEXA, RGB/RGBA, HSL/HSLA, and CSS color keywords.

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Markdown is a fantastic way to write formatted text without using a clunky word processor. Preview it live to make sure your syntax is perfect!

  1. Home
  2. Tools
  3. Complementary Color Palette Generator

About this Tool

Find the perfect color scheme in seconds. Our Color Palette Generator takes your base color and instantly creates a harmonious palette based on classic color theory. Whether you need a subtle monochromatic look or a bold complementary scheme, this tool provides the inspiration you need for your next design project.

The tool uses the HSL (Hue, Saturation, Lightness) color model. Based on the scheme you choose, it calculates new colors by adjusting the hue, saturation, or lightness of your base color. For example, a complementary color is found by rotating the hue by 180 degrees.

  1. Pick your starting color using the color picker or by entering a HEX code.
  2. Choose the type of color scheme you want from the dropdown menu.
  3. The tool will instantly generate a 5-color palette.
  4. Click on any color's HEX code to copy it to your clipboard.
  • A designer creating a color scheme for a new website.
  • A marketer developing a consistent color palette for a brand.
  • An artist looking for inspiration for a new piece.
  • Multiple Schemes: Generates Monochromatic, Analogous, Complementary, and Triadic palettes.
  • Custom Base Color: Start from any color you like.
  • Visual Preview: See your generated color scheme instantly.
  • One-Click Copy: Easily copy the HEX codes for use in your designs.

Color theory provides a set of guidelines for creating harmonious color combinations. Schemes like 'analogous' (colors next to each other on the color wheel) and 'complementary' (colors opposite each other) are proven to be aesthetically pleasing.

Can I get more than 5 colors?

This version generates a standard 5-color palette. The ability to customize the number of colors is planned for a future update.

Does this check for accessibility?

No, this tool focuses on creating harmonious color schemes. You should always use a separate contrast checker to ensure your text is readable.

Can I export the palette?

Currently, you can copy the individual HEX codes. A full palette export feature may be added in the future.

All calculations and data processing for this tool are performed locally in your browser. UtilToolkits does not send any of your data to an external server, ensuring your information remains private and secure.

Credits:Next.js•React•Tailwind CSS•Lucide Icons

Color Palette Generator

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