You should change it to 256colors base colorscheme for better experience:

https://github.com/duythinht/inori

The coffee colors scheme for vim

Install using Pathogen:

cd ~/.vim/bundle
git clone https://github.com/duythinht/vim-coffee

Install using Vundle

Plugin 'duythinht/vim-coffee'

Modify .vimrc

syntax enable
colorscheme coffee

Previews:

http://vimcolors.com/169/coffee/dark