April 25th 15, 06:16 AM
posted to sci.engr.color,sci.image.processing,rec.photo.darkroom,rec.photo.digital,comp.graphics.apps.gimp
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paint mixing, named colors
On 04/24/2015 11:44 PM, isw wrote:
In article , Dale
wrote:
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.
Isaac
colorimetry alone would get you to "good enough color", accurate enough
too edit from
--
Dale
http://www.dalekelly.org
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