See the screenshot of how I have vim configured below. The \'gutter\' i.e. where the \'+\' and \'~\' symbols appear show my git status using this amazing sublime text port for
To change the color in your ~/.vimrc so that your gutter is the same color as where your line numbers show up is the following:
~/.vimrc
highlight clear SignColumn
The git-gutter docs have some other helpful suggestions.