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I've used the following command to change the color of the status bar at the bottom of the screen:
set -g status-bg colour244
But I don't know how to change the color of the lines that divide the panes; currently, they're a mix of the original green and gray (color244). man tmux gives me a lot of info about the status line but this seems to refer to the status bar itself, not the dividing lines.
I suspect I'm just missing some terminology here.
You want pane-active-border-style and pane-border-style:
See the entry in the man page:
pane-active-border-style style
Set the pane border style for the currently active pane. For how to specify style, see the message-command-style option. Attributes are ignored.
pane-border-style style
Set the pane border style for pane as aside from the active pane. For how to specify style, see the message-command-style option. Attributes are ignored.
So, in your ~/.tmux.conf you could specify colours like so:
# border colours
set -g pane-border-style fg=magenta
set -g pane-active-border-style "bg=default fg=magenta"
Note, I use tmux 1.9a, and I find I get more consistent behaviour using:
set -g pane-border-fg magenta
set -g pane-active-border-fg green
set -g pane-active-border-bg default
unknown option: pane-border-style, why is that? Edit: Ok I see that I have tmux 1.6. And I think according to github.com/edkolev/tmuxline.vim/issues/23 it only works from 1.9+
pane-active-border-style twice as in the first example will not work correctly. You have to specify both fg and bg in a single value (ie. separated with a space inside double quotes or comma and no quotes): set -g pane-active-border-style bg=default,fg=magenta
May 28, 2019 at 14:51
As of tmux version 2.9 @jasonwryan 's implementation is reduced to two lines:
set -g pane-active-border-style bg=default,fg=magenta
set -g pane-border-style fg=green
Note lack of spacing between bg and fg declarations
set -g pane-active-border-style "bg=default fg=magenta"
May 28, 2019 at 14:48
As of 3.0a, from the man page under set-option: "With -a, and if the option expects a string or a style, value is appended to the existing setting. For example:"
set -g pane-active-border fg=green
set -ag pane-active-border bg=magenta
This option is probably very olde, but I didn't see it here so I added it for completeness. I used bg=magenta so I could see it change when I tested it, not because of any bogus behavior when using -a with bg=default. I did get a visit from the fashion police.