Change my CTAGS theme - c

I'm using ctags, which I installed in Ubuntu. When I autocomplete something in vim, the autocomplete text is white on a bright pink background. It's quite painful to look at. Is there a way to change these colors? I haven't found a way to do this, and none of the docs mention anything about theme or colors. Thanks!

I figured it out. You can change the color using:
:highlight Pmenu ctermbg=<color> ctermfg=<color>
Pmenu is PopupMenu, the menu tab-completion brings up. To format the currently selected item in the Pmenu, use PmenuSel.
ctermbg is the background color, and ctermfg is the foreground color. These can be named common color names such as red, green, blue, etc.
I set mine like this in vimrc:
hi Pemnu ctermbg=blue ctermfg=white
hi PmenuSel ctermbg=yellow ctermfg=black

Adding to the previous answer by 'mouche' for setting the colors for terminal vim, the following commands can be used to set the color of the pop-up menu for GVim:
:highlight Pmenu guibg=brown guifg=white
:highlight Pmenusel guibg=yellow guifg=black gui=bold

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If there is any way of changing those colors to some brighter colors, I would be really glad.
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Try setTickLabelPaint() on the Axis that you want.
See all Changing color of labels in JFreeChart.

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I really like the Dark Expression theme for the Visual Studio 2010 Color Theme Editor, apart from a few things here and there.
One example is that certain UI elements (such as e.g. Smart Tags) are almost unreadable because they have dark text on dark backgrounds.
I know that I can use the Customize Colors dialog(!) box to edit the colors, but how do I figure out which color to edit?
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