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Thanks, Dick. My interest in the relative closeness of PMS and hexadecimals
has nothing to do with golf shirts -- that's just a coincidence!
I see hexadecimals as absolute, even though our perception of them depends
on the monitor being used and its settings. In the same sense, then, PMS
numbers are absolute, even though our perception of them depends on the
medium they are printed on, the light source, etc.
Dan
-----Original Message-----
From: Dick Margulis
Sent: Monday, November 10, 2003 1:48 PM
To: TECHWR-L; Goldstein, Dan
Subject: Re: Hexadecimal to PMS
>
>I've been looking at http://www.pargolf.com/PMS.htm. When I go into the
>source code, I see hexadecimal values for the PMS "swatches" on the page.
>For example, the hexadecimal value for PMS 2945 seems to be #0054a0.
>
>I've worked extensively with hexadecimal values in designing colors for Web
>pages, but I am not familiar with PMS requirements. Is it fair to say that
>these are approximate hexadecimal values for the actual PMS colors?
>
Dan,
<snip>
Different programs use different algorithms to convert between RGB and CMYK
values. This can result in numbers changing on a round-trip conversion when
two programs are involved (Illustrator/Photoshop; Photoshop/PageMaker; etc.)
Also, the appearance of colors on a monitor is heavily influenced by the
calibration (or lack thereof) of the monitor itself, which is completely
outside the control of the person designing the Web page.
In the case of the golf site you are looking at, there's still another
factor to consider: Neither online RGB swatches nor catalog-printed CMYK
swatches/photos necessarily resemble dyed yarns. So if you are purchasing
apparel based on a picture, you really need to request samples or fabric
swatches from the vendor. Even a PMS number is no guarantee, because a golf
shirt that matches the PMS swatch book in fluorescent light may not match in
daylight.
</snip>
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