Check this out................

http://support.microsoft.com/default.aspx?kbid=833258

The fill color, the fill pattern, or the line color of a WordArt or
AutoShape object in an Office document does not change

As directed, change the High Contrast setting in Windows OS


Gord Dibben MS Excel MVP

On Fri, 3 Apr 2009 10:02:01 -0700, Talk to me
wrote:

Cell color does not show on screen in excel 2002.
It will show in print preview or in a printed copy.