I'd like to insert a graphic into a header and have the result displayed in its original colors. But information in the header is grayed out, at about 50% opacity.
For example, in a graphic I use a vivid green (35A065, or r53, g160, b101). But when I place the graphic in the header, this color displays as a pastel green (7DCBA9, or r125, g203, 169).
Is there any way I can maintain the original graphic colors in the header?

I'm using Word 2007 on a 64-bit Windows 7 machine.