Re: Colorsync-users Digest, Vol 4, Issue 369
Re: Colorsync-users Digest, Vol 4, Issue 369
- Subject: Re: Colorsync-users Digest, Vol 4, Issue 369
- From: Andrew Rodney <email@hidden>
- Date: Mon, 15 Oct 2007 10:57:05 -0600
- Thread-topic: Colorsync-users Digest, Vol 4, Issue 369
On 10/15/07 10:23 AM, "Terry Wyse" wrote:
> I'm no delta E worshipper but I sometimes cringe at blanket dE
> numbers such as "< 2 dE not distinguishable". I can tell you for a
> fact that .75-1.0 dE on a midtone gray patch is certainly visible
> while 2-3 dE on primaries/secondaries is difficult to see. In other
> words, it depends.
Of course you're correct and the actual color (patch) plays a huge role. But
an average deltaE based <2 on 5000 patches is significantly different story!
When discussing deltaE, its useful to define which formula is used and if
you're referring to one or one thousand average values.
Andrew Rodney
http://www.digitaldog.net/
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