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I've been trying for 3 days now to get my colorscheme to display properly inside of a screen session versus at the terminal prompt outside of screen or tmux session. I've read all the links and tried everything anyone suggested with zero success. I've attached a few images below. The first is what my vim session looks like outside of tmux or screen and the second 2 are inside of tmux and screen. One with screen-256 color set and the other with xterm-256color. They are different but neither are anywhere close to the gruvbox scheme I'm using.

I'm using an Ubuntu server 16 and have even tried to upgrade vim and screen programs to latest versions and doesn't change anything.

Anyone know how to get the color schemes to match?

Thanks,

vim before running screen or tmux

vim inside screen with screen-color256

vim inside screen with xterm-256color

enter image description here

This last picture is of running through tmux instead of screen. I have that grayish background behind all the text and the rest of the background is black. Very close to what I'm looking for but not sure why text background and rest of background aren't the same.

user70494
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    Related questions include https://unix.stackexchange.com/q/319934/5132 , https://unix.stackexchange.com/q/348771/5132 , https://unix.stackexchange.com/q/29907/5132 , https://unix.stackexchange.com/q/118806/5132 , https://unix.stackexchange.com/q/118892/5132 , and https://unix.stackexchange.com/q/201779/5132 . – JdeBP Apr 09 '19 at 14:27
  • What tmux version? Did you enable RGB colour by putting Tc or RGB in terminal-overrides? Did you try setting TERM=tmux-256color inside tmux? – Nicholas Marriott Apr 09 '19 at 14:19
  • So I have been using screen and the answer is yes to all of that. However, I'm currently setting up tmux to try it. It is almost ok with colors except I'm not getting the proper background color. I do have it set in the .vimrc file as bg=dark but I get the last image I attached to post above. – user70494 Apr 09 '19 at 15:36
  • version 2.1 of tmux – user70494 Apr 09 '19 at 15:41
  • Also, if I set term to your suggested tmux-256color I get no colors at all. – user70494 Apr 09 '19 at 15:44

2 Answers2

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Ok, for anyone interested:

I ended up finding another post on internet stating to add

set t_ut=

in the .vimrc file. Doing this clears the background color and fixed my issue. So screen still does not work but tmux seems to be working properly with this latest entry. Not sure what is going on but just needed to get things working and seems to be.

Jeff Schaller
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user70494
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t_ut turns off BCE. tmux should support BCE but it depends on the tmux version, I think 2.1 is too old.

Nicholas Marriott
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