How to change the default color of the Command Prompt?
Open a Command Prompt, click the icon (top-left), select Properties.
Choose Colors, adjust to taste. It will ask you if you want to save the colour for future settings - choose yes.
Using the Command Prompt type regedit to open the Windows Registry, then set the following entry to the color combination you prefer (DefaultColor):
HKEY_CURRENT_USER/Software/Microsoft/Command Processor/
Set DefaultColor to 0a