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Re: Humans (and cameras and scanners) do not have a color gamut (?)
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Re: Humans (and cameras and scanners) do not have a color gamut (?)


  • Subject: Re: Humans (and cameras and scanners) do not have a color gamut (?)
  • From: Graeme Gill via colorsync-users <email@hidden>
  • Date: Fri, 10 Jan 2020 09:34:52 +1100

WAYNE BRETL wrote:
> "The conventional definition is that...input devices have no colors that they
> (somehow)
> can't produce an output for."
>
> I would say that input devices have no *spectra* that they (somehow) can't
> produce an
> output for (the output may just be zero in any or all three channels, of
> course).
>
> I think if we're careful about this, we have to say that the input is not a
> color, and
> neither is the output, until it is translated into a color representation.

My terminology is deliberate.

Every spectra "is" a color. i.e. a human can look at the spectra and
perceive it as a color. That color may be black of course...

Cheers,
        Graeme Gill.
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References: 
 >RE: perceptual differences in Lab deltaE (From: Roger Breton via colorsync-users <email@hidden>)
 >Re: perceptual differences in Lab deltaE (From: Wire ~ via colorsync-users <email@hidden>)
 >Re: perceptual differences in Lab deltaE (From: Andrew Rodney via colorsync-users <email@hidden>)
 >Humans (and cameras and scanners) do not have a color gamut (?) (From: WAYNE BRETL via colorsync-users <email@hidden>)
 >Re: Humans (and cameras and scanners) do not have a color gamut (?) (From: Andrew Rodney via colorsync-users <email@hidden>)
 >Re: Humans (and cameras and scanners) do not have a color gamut (?) (From: Henry Davis via colorsync-users <email@hidden>)
 >Re: Humans (and cameras and scanners) do not have a color gamut (?) (From: Iliah Borg via colorsync-users <email@hidden>)
 >Re: Humans (and cameras and scanners) do not have a color gamut (?) (From: Henry Davis via colorsync-users <email@hidden>)
 >Re: Humans (and cameras and scanners) do not have a color gamut (?) (From: Iliah Borg via colorsync-users <email@hidden>)
 >Re: Humans (and cameras and scanners) do not have a color gamut (?) (From: edmund ronald via colorsync-users <email@hidden>)
 >RE: Humans (and cameras and scanners) do not have a color gamut (?) (From: Roger Breton via colorsync-users <email@hidden>)
 >RE: Humans (and cameras and scanners) do not have a color gamut (?) (From: WAYNE BRETL via colorsync-users <email@hidden>)
 >Re: Humans (and cameras and scanners) do not have a color gamut (?) (From: Graeme Gill via colorsync-users <email@hidden>)
 >Re: Humans (and cameras and scanners) do not have a color gamut (?) (From: WAYNE BRETL via colorsync-users <email@hidden>)

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