I've got the following in my screenrc:
hardstatus on
hardstatus alwayslastline
hardstatus string "%{.bW}%-w%{.rW}%n %t%{-}%+w %=%{..G} %H %{..Y} %m/%d %C%a "
Which is great, but I'd love to be able to change the colors of the text in the hardstatus line.