AeroTuner is a free application which gives you the power to modify all Desktop Window Manager parameters, you can set the main color, glow color of aero, you can change color balance, after glow color balance, blur balance, aero stripes with it.
AeroTuner is portable, just unpack the compression archive and launch it. The user interface is straightforward, you could set the color with Windows Color Common Dialog easily, drag the thumb from one end of the slide bar to the other. You can see the effect immediately, if you feel like the result, press “Save changes” button to write your customization to windows registry.
AeroTuner does give you the option to restore aero to default settings, if you want to do so, run regedit.exe and delete the key named “HKEY_CURRENT_USER\Software\Microsoft\Windows\DWM”, then log off and log in again.
Download AeroTuner from deviantart.