Re: "Pantone Process" Inks
Re: "Pantone Process" Inks
- Subject: Re: "Pantone Process" Inks
- From: "Jorge ." <email@hidden>
- Date: Tue, 08 Mar 2016 13:31:59 +0100
> It's hard to say where customers get these ideas,
Well, not that long ago Pantone spot libraries came with a reading
below each patch stating a purported equivalence to a fixed CMYK mix.
And then people learn about color management and learn that colors are
objectively represented by Lab coordinates, not CMYK mixes, since
different CMYK inks actually produce different colors. I do not
consider it a long stretch that someone interprets that the CMYK inks
being referenced in Pantone spot libraries must then somehow be some
specific ones guaranteed by Pantone to meet a certain standard, or
even inks made by Pantone and only Pantone.
On Tue, Mar 8, 2016 at 10:04 AM, Mike Strickler <email@hidden> wrote:
> It's hard to say where customers get these ideas, but we haven't as an industry been very successful at communicating about color to others. One could even say that it is not helpful that the current Pantone libraries still include a "Pantone Black" and a "Pantone Yellow" that are not ISO 12647 colors at all (the yellow being especially different). But perhaps that's no worse than changing the Lab specs if not the composition of base mixing colors (e.g., Reflex Blue, Rubine Red) and colors mixed from them while leaving their names unchanged. I recently became aware of a very large discrepancy between the Lab values in the database for Pantone solid colors of a large ink company and those in any of the last three versions of the Pantone Solid libraries. Where did the ink company get those values? Nobody seems to remember.
>
> This is the world we inhabit.
>
> Mike Strickler
> MSP Graphic Services
>
>
>>
>> Message: 2
>> Date: Mon, 07 Mar 2016 15:18:05 -0500
>> From: Michael Eddington <email@hidden>
>> To: Todd Shirley <email@hidden>
>> Cc: "'colorsync-users?lists.apple.com' List"
>> <email@hidden>
>> Subject: Re: "Pantone Process" Inks
>> Message-ID:
>> <email@hidden>
>> Content-Type: text/plain; charset=UTF-8
>>
>> Your interpretation is correct…Pantone CMYK primaries are governed under
>> ISO 2846-1.
>>
>> http://www.pantone.com/help/?t=CMYK-Primaries-not-found-in-PANTONE-FORMULA-GUIDE-and-PANTONE-SOLID-CHIPS
>>
>
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