About Color Harmony Generator

A free, fast, privacy-friendly tool for building harmonious colour palettes from a single base colour.

Color Harmony Generator was built by Marcio, an independent tools builder who got tired of juggling half-remembered colour-wheel angles every time a project needed a palette. The idea is simple: pick one colour you like, and get every classic harmony scheme calculated for you with copy-ready HEX, RGB and HSL codes.

The whole tool runs as a single static web page with a small amount of vanilla JavaScript. There is no framework, no tracking pixel and no server doing the colour maths — every conversion happens in your browser. That keeps it instant to load and means the colours you experiment with stay on your own device.

Colour theory is a deep field, and this tool deliberately focuses on the part that helps most people most often: turning a starting colour into balanced companions. If you have ideas for schemes or features you would find useful, the door is open — see the contact page to get in touch. You can also read the colour harmony guide to learn how to apply the palettes, or the scheme comparison to choose between them.

This project is offered free of charge and may display advertising to cover hosting costs. It is provided for general information without warranty; see the terms for details.