Calm: Two column, light blue, simple, minimalist, soothing, left sidebar theme for WordPress with a very unique header image (has a picture of what I assume is a moon jellyfish). Demo here.
Pink Sunset is a clean pink two column layout made by Arcsin.
The Unwakeable WordPress theme and is a combination of K2 0.9.1 and Unsleepable 2.0.
Vengeance is a theme with a red, black, and white color scheme.