Color Harmony is a free Android app developed by Powsty that lets you find the perfect combination of colors for your project. It offers three different ways to create palettes, including harmonic, from image, and custom. The app supports a variety of color modes, such as RGB, HSV, RAL, and CMYK, and features a range of algorithms of color harmony.

One of the most impressive features of Color Harmony is its camera mode that lets you match colors in real-time. You can also organize your palettes into favorites and collections and translate colors to RAL format, which is the color matching system used in Europe. The app also has a stunning design with a clean look and feel, making it easy to navigate and use. It even supports Adobe Photoshop Color Swatch (.aco) format.

Color Harmony is available in eight languages, including English, Spanish, Polish, Italian, German, Turkish, Indonesian, and Russian. And if you want the app to be translated to your native language, you can contribute to the project on Powsty's OneSkyApp collaboration page.

Overall, Color Harmony is a powerful color matcher that offers a range of features and capabilities for your projects.