IF the text is in placeholders AND the color follows the master as it should
then simply change the text color on the master.
Now if the above wasn't true:
A: Do nasty things to the author
B: You will need some vba
There's an example here
http://www.pptalchemy.co.uk/vbasamples.html
If you get back with EXACTLY what changes you need I'll post the exact code
(make sure you say whether text is in placeholders, textboxes or both and
whether you want to swap ONE colour for another or ALL colours to one colour)
--
Amazing PPT Hints, Tips and Tutorials
http://www.PPTAlchemy.co.uk
http://www.technologytrish.co.uk
email john AT technologytrish.co.uk