Is the Color Palette Generator free?

Yes — the Color Palette Generator is completely free, with no account, subscription, signup, or usage limits.

Is my data uploaded or stored?

No. The Color Palette Generator processes everything locally in your browser. Your input is never uploaded, saved, or shared with any server.

Does the Color Palette Generator work offline?

Yes. Once the page has finished loading, the Color Palette Generator works without an internet connection.

Which browsers does the Color Palette Generator work in?

The Color Palette Generator works in all modern browsers, including Chrome, Firefox, Safari, and Edge — no plugins or extensions needed.

What is a complementary colour?

The colour directly opposite on the colour wheel — e.g. blue's complement is orange. Complementary colours create high contrast and are often used for CTAs against a primary brand colour.

What is the difference between triadic and tetradic palettes?

Triadic uses three colours equally spaced (120° apart) on the colour wheel. Tetradic uses four colours in two complementary pairs (a rectangle on the wheel), offering more variety.

Color Palette Generator

Generate beautiful colour palettes for your design projects.

Base colour

Harmony

Free browser-based tool · Runs 100% on your device · Last updated July 7, 2026

What is the Color Palette Generator?

The free Color Palette Generator creates harmonious colour palettes from any base colour using six colour theory relationships: Complementary, Analogous, Triadic, Split-complementary, Tetradic, and Monochromatic. Pick a base colour with the colour picker or enter a hex value, then choose a palette type to instantly generate a matching set of colours with HEX, RGB, and HSL values.

→ Build a consistent brand colour palette from a primary brand colour.
→ Generate a complementary accent colour for a website or app design.
→ Create a triadic or tetradic palette for a vibrant, balanced illustration.
→ Produce a monochromatic scale for a minimalist UI or dark mode theme.
→ Explore colour theory relationships for a design or art project.

How to Use the Color Palette Generator

1 Use the colour picker or type a hex value into the colour input to set your base colour.
2 Choose a palette type from the dropdown: Complementary, Analogous, Triadic, Split-complementary, Tetradic, or Monochromatic.
3 The palette swatches appear instantly with HEX, RGB, and HSL values shown for each colour.
4 Click a swatch to copy its HEX value, or use Copy All to grab the full palette.

Key Features

🎨
Six palette types

Complementary, analogous, triadic, split-complementary, tetradic, and monochromatic palettes based on colour theory.
🔢
Three colour formats

Each swatch shows HEX, RGB, and HSL values for direct use in CSS or design tools.
⚡
Instant palette

Palette updates in real time as you change the base colour or type.
🔒
Private & local

All colour calculations happen in your browser — no uploads.

Example Usage

Example Input

Base colour: #6366f1, Palette type: Complementary

Example Output

#6366f1  (Primary — Indigo)
#f1a163  (Complement — Orange)

Frequently Asked Questions about the Color Palette Generator

What is the Color Palette Generator?: The Color Palette Generator is a free online tool that lets you generate beautiful colour palettes for your design projects. It runs entirely in your browser, so there is nothing to install and nothing is uploaded to a server.
Is the Color Palette Generator free?: Yes — the Color Palette Generator is completely free, with no account, subscription, signup, or usage limits.
Is my data uploaded or stored?: No. The Color Palette Generator processes everything locally in your browser. Your input is never uploaded, saved, or shared with any server.
Does the Color Palette Generator work offline?: Yes. Once the page has finished loading, the Color Palette Generator works without an internet connection.
Which browsers does the Color Palette Generator work in?: The Color Palette Generator works in all modern browsers, including Chrome, Firefox, Safari, and Edge — no plugins or extensions needed.
What is a complementary colour?: The colour directly opposite on the colour wheel — e.g. blue's complement is orange. Complementary colours create high contrast and are often used for CTAs against a primary brand colour.
What is the difference between triadic and tetradic palettes?: Triadic uses three colours equally spaced (120° apart) on the colour wheel. Tetradic uses four colours in two complementary pairs (a rectangle on the wheel), offering more variety.