Re: Hi-Fi Inksets
Re: Hi-Fi Inksets
- Subject: Re: Hi-Fi Inksets
- From: email@hidden
- Date: Fri, 30 Jan 2004 10:43:37 EST
In a message dated 1/30/04 10:27:59 AM, email@hidden writes:
>
However, if the image contains colors that are out of gamut for
>
CMYK, there will be noticeable improvement when using CMYKOG.
>
>
Electric greens and fluorescent oranges being the most obvious examples,
color that are of more use in vector graphics than in photographics. But there is
certainly the potential to improve reds as well, though adding a red ink is a
more straighforward solution for that area. Adding green instead of a blue or
purple does not enhance CMYK's weakest corner, however.
>
There are too
>
many factors and processes prone to error that are involved in the imaging
>
reproduction workflow to make a blanket statement that CMYKOG offers little
>
gain.
>
Outside of the issue of existing image gamut limitations, whether there is
much to gain depends largely on the gamut of the CMYK process you are
augmenting; for something like newsprint where the gamut is weak to begin with it offers
significant advantages, though I have yet to see a production CMYKOG
newsprint system. Hexachrome, specifically, offers further gamut gains for press by
using brighter inks for the CMY components as well. For coated inkjet printing,
where the gamut is already large, and the inks already saturated, it offers
modest improvements in specific corners of the photographic gamut, and
significant improvements in matching saturated Pantone and other spot colors.
C David Tobie
Product Technology Manager
ColorVision Inc
email@hidden
www.colorvision.com
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