Aura: Get Windows 8 Aero Auto-Colorization Feature in Windows Vista and 7
"Aero Auto-Colorization" is the ability to automatically configure the color of Aero elements, like the Start Menu, Windows Explorer windows, and the taskbar based on the desktop wallpaper.
Now you can get the same functionality in Windows Vista and 7 using a "Aura".
Aura is an excellent program which calculates average color of desktop background image or active window icon and sets it as Aero Glass color. It works like color hot-track in Windows 7 taskbar.
It works in Windows Vista and 7.