Re: color name definitions in Bash on Ubuntu on Windows

On Wed, Oct 19, 2016 at 11:42 PM, Erhy <erhard.glueck.austria@gmail.com> wrote:
> Hello!
> I struggle with the colors in VIM.
> (in the Ubuntu Subsystem of Windows 10)
> Because comment lines with syntax on was not readable for me.
>
> I found the file rgb.txt in the folder /usr/share/vim/vim74
> but most color names are not accepted by vim
> e.g. :highlight Comment ctermfg=MidnightBlue
>
> With numbers instead of names there a differences between 0 and 7
> but the terminal emulation knows 16 colors.
>
> Have you any tips?
>
> Erhy

Many color terminals only know 8 background and 16 foreground colors.
rgb.txt doesn't apply to the console anyway, but only to the GUI,
which can display (in theory) 256^3 = 16777216 colors (as 256 levels
each of red, green and blue). The acceptable colors for ctermfg are
found at ":help cterm-colors".

Alternatively, with a GUI-capable Vim (but maybe not on Windows, you
will have to check it for yourself there) you can approximate GUI
colors in a console provided that it is known to Vim (via its 't_Co'
setting) as able to display 88 or 256 colors: see
http://vim.wikia.com/wiki/Using_GUI_color_settings_in_a_terminal#Solution_2:_the_CSApprox_plugin
— in that case you can use all rgb.txt color names since you're using
guibg= guifg= colors; the CSApprox plugin will translate them to
something that the cterm understands.

Best regards,
Tony.

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