[tmux] Overhaul color settings for status bar.

.tmux.conf

@@ -57,17 +57,27 @@ bind-key d detach-client -P
 bind-key '"' split-window -v -c '#{pane_current_path}'
 bind-key  %  split-window -h -c '#{pane_current_path}'
 
-# Status line mirroring vim-airline with the bubblegum theme
+# Color scheme from vim-airline's bubblegum theme
-## colour238: grey
+airline_grey="colour238"
-## colour150: green
+airline_green="colour150"
-## colour110: blue
+airline_blue="colour110"
-set-option -g status-style bg=colour238,fg=colour110
+airline_purple="colour146"
-set-option -g message-style bg=colour238,fg=colour255
+airline_orange="colour179"
+airline_red="colour174"
+airline_pink="colour182"
+
+# Status line
+set-option -g status-style "bg=$airline_grey,fg=$airline_blue"
+set-option -g message-style "bg=$airline_grey,fg=colour255"
 set-option -g status-left-length "80"
-set-option -g status-left "#[bg=colour238,fg=colour110,bold,noitalics,nounderscore] #S "
+set-option -g status-left-style "bg=$airline_grey,fg=$airline_blue,bold,noitalics,nounderscore"
-set-option -g status-right "#[bg=colour110,fg=colour238,bold,noitalics,nounderscore] %Y-%m-%d %H:%M | #h "
+set-option -g status-left " #S "
-set-window-option -g window-status-current-format "#[bg=colour110,fg=colour238,nobold,noitalics,nounderscore] #I:#W#{?window_zoomed_flag,*Z,} "
+set-option -g status-right-style "bg=$airline_blue,fg=$airline_grey,bold,noitalics,nounderscore"
-set-window-option -g window-status-format "#[bg=colour238,fg=colour110,nobold,noitalics,nounderscore] #I:#W#{?window_last_flag,-,} "
+set-option -g status-right " %Y-%m-%d %H:%M | #h "
+set-window-option -g window-status-current-style "bg=$airline_blue,fg=$airline_grey,nobold,noitalics,nounderscore"
+set-window-option -g window-status-current-format " #I:#W#{?window_zoomed_flag,*Z,} "
+set-window-option -g window-status-style "bg=$airline_grey,fg=$airline_blue,nobold,noitalics,nounderscore"
+set-window-option -g window-status-format " #I:#W#{?window_last_flag,-,} "
 set-window-option -g window-status-separator ""
-set-option -g pane-active-border-style fg=colour110
+set-option -g pane-active-border-style "fg=$airline_blue"
-set-option -g pane-border-style fg=colour238
+set-option -g pane-border-style "fg=$airline_grey"