In a Powerpoint 2002 presentation, I'm trying to change the color of a
hyperlink without changing the color of the accent.  Please provide
directions that will produce a satisfactory outcome as described
below.

I have a presentation that uses a dark blue background.  The hyperlink
currently blends into the background so as not to be visible.  I would
like it to be yellow or someother easily visible color.

I have been approaching this problem by going to format/slide
design/edit color scheme/, clicking on the "accent and hyperlink" box,
change color, choosing a yellow color fromt the Standard tab, ok, and
Apply.  When I do this, the hyperlink color changes but the rest of
the slide now has a yellow overlay (the accent, I suppose).  The
current accent is alight blue which produces a darker blue boarder
which becomes lighter toward the center of the screen where the text
lives.  I'd like to retain the current background color and accent.

I am already aware that I could make the background and accent very
different and then the hyperlink would be visible.

I have tried selecting the text that will become the hyperlink and
changing its color to a yellow, but when I actually make it a
hyperlink, it reverts back to the color of the accent.

You can place your text inside an autoshape and link the shape instead
of the text. This will prevent Powerpoint from reformatting the text.
For detailed instructions on doing this, see the PowerPoint FAQ.

PowerPoint FAQ - Prevent PowerPoint from reformatting hyperlink text
http://www.rdpslides.com/pptfaq/FAQ00044.htm

Additional Resources:
PowerPoint
http://www.rdpslides.com/pptfaq/

- Hammer

Clearly and succintly answered with helpful resource for future work.