RE: Number of Colors
RE: Number of Colors
- Subject: RE: Number of Colors
- From: "michael shaffer" <email@hidden>
- Date: Fri, 23 Aug 2002 16:49:34 -0230
Bruce J. writes ...
>
Robin Myers wrote:
>
> A much better metric is the volume of the gamut in L*a*b* units. This is
>
> a closer analog to the number of discernible colors (I'll skip the
>
> details of its limitations) a device can produce. I think there are some
>
> profile analysis programs that calculate this number. A larger volume is
>
> a larger gamut with more discernible colors.
>
>
One of these profile analysis programs that I was involved with calculated
>
these volumes:
>
>
Newspaper press: 79,000 cubic delta E units
>
Matchprint proof: 343,000 cubic delta E units
>
sRGB: 835,000 cubic delta E units
>
Lab gamut: 2,381,000 cubic delta E units
>
>
Of course, your mileage may vary, ...
Isn't this a bit of a simplification? That is ... does fewer delta E
units mean the device is not capable of a color outside the gamut of the
device with more delta E units?? For example ... isn't an excellent printer
capable of colors outside the sRGB gamut???
cheerios ... shAf :o)
Avalon Peninsula, Newfoundland
www.micro-investigations.com (in progress)
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