Can you change the color of selected cells in excel 2007?

when I drag across a range of cells, or select them individually (i.e. control-click), the color changes. in excel 2003 it was to a bright blue color, easy to identify the cells you had selected. In Excel 07, it seems to be a 10% gray, barely visible. Is there any way to change this?
Update: windows XP with the usings the classic windows color profile, not that I think it matters.
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