body_bg => #ffffff // fixed
body_letter => #333333 // fixed
outside of frame => $color[4]
header_bg => $color[7]
header_letter => $color[1]
link => $color[0]
impact_bg => $color[2] // <th> etc.
impact_letter => #ffffff // fixed
title_bg => $color[3] // block title etc.
title_letter => #ffffff // fixed
head => $color[5]
even => $color[6]
odd => $color[7]
border => $color[0]