title: Disable tmux status left highlighting
body: <p>My tmux config is almost totally how I want it, but for some reason my status left background keeps getting turned red/green after running for some time. I'd really like to get rid of this if possible.</p>
  
  <p>Here's an image of what happens:
  <img src="https://i.stack.imgur.com/qQJ6M.png" alt="enter image description here"></p>
  
  <p>Here's a subset of my .tmux.conf that would be relevant. <code>colour226</code> is my yellow and <code>colour16</code> is my black:</p>
  
  <pre><code># colors
  set -g status-fg colour226
  set -g status-bg colour16
  set -g pane-active-border-fg colour226
  set -g pane-active-border-bg colour226
  set -g message-fg colour226
  set -g message-bg colour16
  set -g message-attr bright
  
  # status bar
  set -g window-status-current-bg colour226
  set -g window-status-current-fg colour16
  set -g window-status-current-attr bright
  set -g window-status-current-format "#I:#W"
  set -g window-status-format "#I:#W"
  set -g window-status-style fg=green
  
  set -g status-left-length 40
  set -g status-left-style bg=colour16
  set -g status-left "[#W]"
  set -g status-left-attr bright
  
  set -g status-right "%d %b %R"
  
  set -g status-interval 60
  set -g status-justify centre
  setw -g monitor-activity on
  </code></pre>
  
  <p>You can see that I've tried forcing the status-left background to be black, but I think the activity monitor is causing it to show there.</p>
  
  <p>I've been looking through the man page, but haven't found anything. Any ideas of how I might be able to disable the highlight?</p>