You may be able to find helpful information on
http://cse.ssl.berkeley.edu/light/light_tour.html
or http://www.colormatters.com/entercolormatters.html
Give them a try.
Nina Thayer
Snacktalk Moderator
> 
> I know magenta color from light is equal parts of Blue and Red.  but they
> seem to be on opposite ends of the electromagneticspectrum?  What is the
> wave length of Blue? Red? and magneta?  in Nanometers.....?//??????
> 
> Why is the white light spectrum depicted as a straight line Blue to Red ,
> etc. and if so .... why is Magenta the only color you can obtain from
> combining the lower and upper ends of the white light spectrum?
> 
> Can you answer these questions?  No, one else can seem to help me. I've even
> found mistakes on afterglow and afterimage in the Americana Encylopedias?
> 
> Plese respond
> 
> sincerely,
> Benedetto Garacci/Potographer/Artist
> Garacci.com
> email:  benedetto@garacci.com
> 
> Thank you!
> 
> 
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