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paint mixing, named colors

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Old April 25th 15, 06:28 AM posted to sci.engr.color,sci.image.processing,rec.photo.digital,rec.photo.darkroom,comp.graphics.apps.gimp
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Default paint mixing, named colors

On 04/20/2015 08:15 AM, Martin Brown wrote:
You are so out of date it is funny. No wonder Kodak went to the wall.

I have been out of the industry for going on 18 years...

I see Kodak has a spot color mixing solution, I don't know when this
came out ...

I think mixing might be a better algorithm than matching in some
many-colorant systems, just my opinion

Old April 26th 15, 05:00 AM posted to sci.engr.color,sci.image.processing,rec.photo.darkroom,rec.photo.digital,comp.graphics.apps.gimp
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Default paint mixing, named colors

In article , Dale

On 04/24/2015 11:44 PM, isw wrote:
In article , Dale

On 04/20/2015 01:26 AM, isw wrote:
Look up "metamerism".

yes ... you could do mixing from spectral data to avoid metamerism

But it would be *really difficult* if you could not identify the
specific colorants from their spectra (impossible?). And, of course,
you'd be unlikely to have every possible item on hand anyhow.

Possible in theory, not very likely in practice.


colorimetry alone would get you to "good enough color", accurate enough
too edit from

Under very controlled lighting, true.


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