I don't know anything about script-fu, but this is how I would achieve "pure"
white.  First, I would change the color in the bottom square on the toolbox by
double-clicking on it.  The bottom square is the background color.  The
foreground color is the top one.   When I double-click on the square, I get the
color-chooser.  If you are using the latest Gimp, you have several ways you can
choose colors.  Stay with the GIMP choice.  This has a hex triplet box on the
bottom.  If you enter #ffffff there, you get pure white.  pure black would be
#000000.  If there is a way to use hex values for colors in script-fu, just use
#ffffff.  Good luck.

On Sat, 04 Mar 2000, you wrote:
> I don't know if this question is appropriate for this list or not, if it
> isn't please let me know.
> 
> I am trying to make some web graphics using the Gimp. I am using
> script-fu to make a large header under the Gimp.Org selection. I go
> through the steps with the scripts and create my image. I save my image
> as a .jpg file and load it into my web page. but when I load it, the
> background, which is supposed to be white, is slightly off-color from
> the white shown in Netscape. Is there a way to get a 'pure' white
> background? I really don't know very much about the Gimp, or graphics in
> general, so I figured it was something I was or wasn't doing to make it
> clean.
> 
> Thanks
> 
> -- 
> Lucas Vogel
> lucas7@home.com
> ICQ: 44697169
> 
> 
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-- 
Rick Rosinski
http://www.rickrosinski.com
rick@rickrosinski.com