Here the following on how to do this!
1. Click start> All Programs> Accessories> Command Prompt.
2. When it opens, click the icon on upper left corner where say "C:\" beside "Command Prompt" there will be submenu comes down.
3. Click Default then click color tab then that it! You can change colors whatever you like to match your mood, and personal!
Happy Tweak Hunt! :)
For a temporary change use the color command. Type: color /?