Fix #132

colors/gruvbox.vim

@@ -277,7 +277,7 @@ if exists('g:gruvbox_hls_cursor')
   let s:hls_cursor = get(s:gb, g:gruvbox_hls_cursor)
 endif
 
-let s:number_column = s:bg4
+let s:number_column = s:none
 if exists('g:gruvbox_number_column')
   let s:number_column = get(s:gb, g:gruvbox_number_column)
 endif
@@ -513,7 +513,7 @@ hi! link WarningMsg GruvboxRedBold
 " Gutter: {{{
 
 " Line number for :number and :# commands
-call s:HL('LineNr', s:number_column)
+call s:HL('LineNr', s:bg4, s:number_column)
 
 " Column where signs are displayed
 call s:HL('SignColumn', s:none, s:sign_column)