This is the ultimate rainbow wallpapers and themes app for the new generation! Whether you are looking for custom and creative tab, new window, or awesome new app, you will find it all and more in our Rainbow Custom page! You are in the right place! Rainbow is the first and most popular new tab, browser, app, game, and wallpaper app in the world! For people who want to download this wonderful theme, you can press the heart button on the extension page and check out our collection of HD rainbow wallpapers and themes!