Based on Dichotomy, Salmon is a less flashy, light-colored theme. Salmon does away with purple and black, choosing instead light orange and beige.
Remain true to the "human" roots of Ubuntu, while moving forward to more up-to-date design that adheres to the concept of "light".
The Widget Factory
Desktop & Applications
The latest version of Salmon is available on http://gnome-look.org/content/show.php?content=121283