Cool Orange is a Sandbox child theme with a cool, muted blue vs. bright orange color scheme.
MYgRID2 is a minimalistic WordPress theme in grey-silver colors with fresh look, fancy css3 and jQurey effects, widget ready area, automatic post thumbnail, and more.
Vibrato is a bright, colorful, cheerful, and loud two column theme.
MYgRID2 is a really cool theme.