Night Mode is a theme for Adium that more or less fits in with the dark menubar introduced in recent versions of MacOS. It supports retina Macs as well.
How To Install It
- Download it, and double-click on Night Mode.AdiumMenuBarIcons.
- Open Adium's Preferences > Appearance and change Menu Bar Icons to Night Mode
- That's it. If you want to uninstall it, then use Adium's Xtras Manager.