Change background color of active or inactive pane in Tmux

Question

Are there any options to control the background color of the active or inactive panes in Tmux?

Answer 1

# highlight focused pane (tmux >= 2.1), possible values are:
#   - true
#   - false (default)
tmux_conf_theme_highlight_focused_pane=true

# focused pane colours:
#tmux_conf_theme_focused_pane_fg='default'
tmux_conf_theme_focused_pane_bg='#191919'