AeroTuner is described as 'allows you to control all Windows 7 Aero settings: transparency, main and glow color, color balances, blur balance, and Aero stripes. In soviet Russia: you master windows!' and is an app in the OS & Utilities category. There are four alternatives to AeroTuner for Windows. The best alternative is WindowBlinds. It's not free, so if you're looking for a free alternative, you could try AeroRainbow or AeroBlend.
WindowBlinds is a computer program that allows users to skin the Windows graphical user interface. It has been developed by Stardock since 1998, and is the most popular component of their flagship software suite, Object Desktop.
AeroRainbow is the software what changes color of Aero windows in random order or by predefinied list of colors. It was designed for Windows 7 and adds more fun to your desktop. Since version 2.7 you can use AeroRainbow with Windows 8.
AeroBlend automatically changes the Windows Color to match the current wallpaper or active application icon\contents. When in wallpaper mode, as each wallpaper is changed, either manually or via the Windows slideshow, the Windows color will change to match the wallpaper.