Paint Harmony is a productivity app developed by Cambrian Tech LLC for iPhone users. The app uses machine algorithms vision to paint around objects and preserve shadows and texture while adjusting for lighting conditions. The app allows you to see the walls of your home transformed with the paint of your choice, and you can sample the paint before you buy it.

With Paint Harmony, you can quickly change the walls of your own home by choosing from 47 brands such as Behr, Valspar, Sherwin Williams, Glidden, Lowe's, and more. You can also find a color yourself manually or take a photo of a favorite vacation or paint you need to match, and the app will find the closest brands. Moreover, the app allows you to browse paint chips and hold them up to your walls, get colors from your photos, and keep favorites and share them with others.

Overall, Paint Harmony is a useful app for homeowners and interior designers who want to see how different paint colors will look in their homes before making a purchase. It is user-friendly, efficient, and offers a wide range of features that are easy to navigate.