Install on Android
ColorHap runs on all Android versions starting with version 4.1. It's completely free, doesn't show ads, and requires no Internet and no extra permissions whatsoever.
Run on any platform
You can run the ColorHap web app in your browser on Android, ChromeOS, iOS, Linux, macOS, Windows, and more.
ColorHap is also a Progressive Web App (PWA). You can easily and conveniently "install" it on your device so you can access it in the same way you would any other installed app.