Re: Custom highlight color outside the 16-set cterm palette?

Hi,

I am using xfce4-terminal and xterm.

I would like to highlight tab indents with a custom color, which is not
in the 16-set cterm palette.

Currently I have:

highlight SpecialKey ctermfg=grey ctermbg=black

I would like to use '#222222' instead of 'black' for background
*without* that affecting any other color in the color scheme.

How can I do that?

Both xfce-terminal and xterm support 256 colors.

In both cases, the $TERM variable environment must be set to `xterm-256color` for Vim to configure itself properly during startup.

This allows you to use any of the 256 colors in the following palette:

https://upload.wikimedia.org/wikipedia/commons/1/15/Xterm_256color_chart.svg

The closest to #222222 is 235, which gives you:

highlight SpecialKey ctermfg=235 ctermbg=black

Making use of "true colors" is also possible if your versions of xfce-terminal and xterm support it (>0.6.90 and >331, respectively). See :help xterm-true-color.

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