Jack,
But if you look on Bruce Lindblooms website at his RGB color space information, you will see that Adobe98 has a coding efficiciency of 100%, which means that all the rgb triplets are real colors. The gamut map of Adobe98 also falls entirely within the Lab gamut (visible colors).
Many of the larger spaces do have a coding efficiencies of less than 100% and clearly have areas that fall outside the Lab gamut, but not Adobe98 from this info. I will ask Steve Upton on another list.
Bob Frost.
----- Original Message ----- From: "Jack Lowe" <[EMAIL PROTECTED]>
Steve Upton has a map of human perception, which he dropped over ARGB at a recent seminar showing clearly some areas which are theoretical only and cannot be perceived by humans.
Also Bruce Fraser, when writing a little while ago about ARGB on the
ColorSync Users list, wrote something along the lines of, "There is no such
colour as 0,0,255 ;-) ".
As you said, I'm sure the same will also be true of ProPhoto and many other
spaces (as Bruce also writes in his book, RW Colour Management).
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