Changing vim 'gutter' color

Question

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

Answer 1

This "gutter" is called the signs column. (See :help signs for more information.) The highlight group associated with this column is called SignColumn, and can be set like this (using the example from the help section):

:highlight SignColumn guibg=darkgrey