Yep, newhouseb is right -- it's Solarized. It came with Octopress, which I'm using for this blog. If it's useful at all, the blog source is on github: https://github.com/ratchetio/blog
Nicely done.
The 'with cd' in Fabric struck me as cool when I first saw it - subshells in Capistrano threw me at first.
very cool. being monolingual definitely has its advantages. can't wait to try ratchet.io out