[Openicc] Named color profiles

Richard Hughes hughsient at gmail.com
Mon Apr 11 02:13:30 PDT 2011

On 11 April 2011 10:04, Jan-Peter Homann <homann at colormanagement.de> wrote:
> Named color profiles can be used to describe color palettes in a
> device-independent format.

Yup,  which is why is was so surprised to see the device encoded
values along with the PCS encoded values in the specification.

> Also the market leader Pantone / X-Rite has a licensind model, that every
> vendor of an app dealing with Pantone color palettes has to do a buy an
> individual pantone licence.

Yup, I've had bug reports asking for gcm-picker to find the nearest
pantone color from a spot measurement. We can't do that without the
legal team having a heart attack.

> From an Open-Source standpoint, it would make a lot of sense, if ICC named
> color profiles support in GCM are synchronized with open firle formats for
> color palettes. I think we had a discussion about colorpalettes in the
> openICC mailinglist some years ago...

If you've got a link I would appreciate the background reading.

> A second approach is the usage of CxFv3. This is XML-format from XRite for
> communicating color mesurement values and color palettes, which may become
> an ISO standard in future.
> In the past, the licensing politic of XRite was incompatible with Linux...

Yup, I'm a little cautious about using standards from XRite, now that
Pantone has acquired them. If it's an ISO standard, then of course it
makes sense as an interchange standard.

> I will write to XRite to get further informations about CxFv3 and post the
> results here, if XRite don´t response to OpenICC mailinglist directly.

Great, thanks. At the moment I've created a test "X11 named
colors.icc" file (using the newly created cd-create-profile) and am
now adding NC support into gcm-viewer.


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