Adapt some colours in the avit theme for better visibility in the default Ubuntu terminal theme.

themes/avit.zsh-theme

@@ -8,8 +8,8 @@ PROMPT2='%{$fg[grey]%}◀%{$reset_color%} '
 
 RPROMPT='$(_vi_status)%{$(echotc UP 1)%}$(_git_time_since_commit) $(git_prompt_status) ${_return_status}%{$(echotc DO 1)%}'
 
-local _current_dir="%{$fg[blue]%}%3~%{$reset_color%} "
-local _return_status="%{$fg[red]%}%(?..⍉)%{$reset_color%}"
+local _current_dir="%{$terminfo[bold]$fg[blue]%}%3~%{$reset_color%} "
+local _return_status="%{$terminfo[bold]$fg[red]%}%(?..⍉)%{$reset_color%}"
 local _hist_no="%{$fg[grey]%}%h%{$reset_color%}"
 
 function _user_host() {
@@ -85,13 +85,13 @@ ZSH_THEME_GIT_PROMPT_MODIFIED="%{$fg[yellow]%}⚑ "
 ZSH_THEME_GIT_PROMPT_DELETED="%{$fg[red]%}✖ "
 ZSH_THEME_GIT_PROMPT_RENAMED="%{$fg[blue]%}▴ "
 ZSH_THEME_GIT_PROMPT_UNMERGED="%{$fg[cyan]%}§ "
-ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$fg[grey]%}◒ "
+ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$fg[white]%}◒ "
 
 # Colors vary depending on time lapsed.
 ZSH_THEME_GIT_TIME_SINCE_COMMIT_SHORT="%{$fg[green]%}"
 ZSH_THEME_GIT_TIME_SHORT_COMMIT_MEDIUM="%{$fg[yellow]%}"
 ZSH_THEME_GIT_TIME_SINCE_COMMIT_LONG="%{$fg[red]%}"
-ZSH_THEME_GIT_TIME_SINCE_COMMIT_NEUTRAL="%{$fg[grey]%}"
+ZSH_THEME_GIT_TIME_SINCE_COMMIT_NEUTRAL="%{$fg[white]%}"
 
 # LS colors, made with http://geoff.greer.fm/lscolors/
 export LSCOLORS="exfxcxdxbxegedabagacad"