Autumn.vim is a project mainly written in Vim Script, it's free.
Light bg, gentle colours, gui + terminal
This is a mirror of http://www.vim.org/scripts/script.php?script_id=671
Light background, gentle colours. Looks best on gvim, but I've also tried to make it look reasonable on 16- and 8-colour terminals because I have to use those also. I haven't been able to test on many different terminals however.