Gnus colors don't look quite right on my background, and it'll take a
   bit of fiddling to get it right.
   
   Lars Magne Ingebrigtsen <larsi@aegir.ifi.uio.no> writes:
   It's quite difficult to come up with a set of colors that work with
   the entire range of dark backgrounds. The current defaults seem to
   work quite well on very dark backgrounds (and very light backgrounds),
   but if you use mid-range background colours, you have to do some
   fiddling.