In a message dated 7/17/06 3:38 PM, Martin Orpen wrote:
> The paper tolerance is for a simulation of the ISO paper colour and 3
> dE is the limit of the eye's ability to discern difference
3 Delta E 76 is not the same as 3 Delta E 94, or 3 Delta E 2000, or 3 Delta
E CMC (2:1).
I say that because I keep reading that "3 Delta E corresponds to the ability
of the average human observer to discern a visually significant color
difference," but without specifying the "flavor", I find that statement
almost meaningless.
Regards.
--------------
Marco Ugolini
Mill Valley, CA
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