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# Using Delta with GNU Screen
When working in Screen without true color output, it might be that colors supposed to be different look the same in XTerm compatible terminals. If that is the case, make sure the following settings are included in your `screenrc` file:
```Shell
term screen-256color
termcapinfo xterm 'Co#256:AB=\E[48;5;%dm:AF=\E[38;5;%dm' # ANSI (256-color) patterns - AB: background, AF: foreground
attrcolor b ".I" # use bright colors for bold text
```
If despite having those settings you still only get a limited set of colors, your build of Screen might have been configured without the `--enable-colors256` flag. If this is the case, you have two options :
- If available for your OS, get a different package of Screen. Otherwise
- Build your own binary :
- Download and extract a release tarball from https://ftp.gnu.org/gnu/screen/
- `cd` into the newly extracted folder
- Follow the instructions in the `INSTALL` file, and when running the `./configure` command apply the `--enable-colors256` flag.
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