Thank you David. Here you'll find what you asked:

https://drive.google.com/open?id=0BzMPhxj4q7BJT3VWQTdRb1ZDYTg&authuser=0

There are the ORF raw file, OOC jpeg and xmp file.
The problem is easily visible on the rider's helmet (blue) and in the
front of the bike (magenta).
I have other examples like this. Like I said, the same happens with
other raw files coming from other Olympus cameras. Maybe it's my
fault, but if it's so, I need to understand where I'm wrong.

2015-01-02 1:07 GMT+01:00 David Vincent-Jones <davidvincentjo...@gmail.com>:
> On Thursday, January 01, 2015 23:42 Michele B wrote:
>> Hi all. I'm writing here because I haven't found a solution to my
>> problem. Maybe someone will help me understand something more.
>> Importing a raw image shoot with my Olympus E-PL3 in Darktable, the
>> image shows oversaturated artifacts, especially on blue and magenta
>> colors like in the examples available here:
>>
>> https://drive.google.com/open?id=0BzMPhxj4q7BJT3VWQTdRb1ZDYTg&authuser=0
>>
>> The only way I've found to avoid this problem is selecting linear
>> Rec2020RGB instead of standard color matrix in "input color profile"
>> module, but I don't know why. In this way colors looks more natural,
>> even if less saturated than the OOC jpeg.
>> The same problem exist using other Olympus raw samples taken from
>> http://rawsamples.ch, like these two:
>>
>> http://rawsamples.ch/raws/olympus/RAW_OLYMPUS_EPL5.ORF
>> http://rawsamples.ch/raws/olympus/RAW_OLYMPUS_EM1.ORF
>>
>> Thank you!
> Please post a typical raw file along with your xmp file for us to take a look.
>
> David
>
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-- 
Michele

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