I agree visually the impact is minimal. I'm trying to match Adobe's color
conversions for a UI we are building. I think it might have to do with
Adobe's (ACE) engine being used. Are all CMS theoretically suppose to
output the same results when the same input and output ICC profiles are
being used?
On Mon, Jul 22, 2013 at 8:58 AM, <marti.ma...@littlecms.com> wrote:
>
> Hi,
>
> I really don't know about those differences. I've checked lcms2 against
> Graeme Gill's argyll and also against SampleICC, all we agree on same
> value, but Adobe slighly differ. I wonder what kind of secret sauce
> they are using. Visually, the impact is minimal.
>
> Regards
> Marti
>
>
>
>
> Quoting "Alexander W. Rolek" <a.ro...@gmail.com>:
>
> I have been trying to match the color conversions of Adobe Illustrator's
>> color picker using the transicc tool, but I just can't seem to get them
>> perfect. I found the .icc profiles that Adobe is using, and matched the
>> settings under Illustrator's Color Settings. I have been using the
>> following command:
>>
>> echo 224 62 0 | transicc -i RGB\ Profiles/sRGB\ Color\ Space\ Profile.icm
>> -o CMYK\ Profiles/USWebCoatedSWOP.icc -t 1 -b -n
>>
>> My output is:
>>
>> LittleCMS ColorSpace conversion calculator - 4.2 [LittleCMS 2.05]
>> 5.9434 90.2419 100.0000 0.8774
>>
>> Adobe Illustrator displays the CMYK as: 7% 90% 100% 1%
>>
>> It's very close, with Cyan being the farthest off. What setting am I
>> missing in order to achieve perfection?
>>
>> --
>> Alexander W. Rolek
>>
>>
>
>
>
--
Alexander W. Rolek
303-829-9989
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