Am Sa 22 Nov 2014 16:36:00 CET
schrieb Marcial Gomez Martin <[email protected]>:

> I have my monitor
> calibrated and my gnome desktop is using the profile I created. I use
> DT and assume it works with the same profile. I thought that the gray
> card would be enough to neutralise the colour casts. 

I have looked into this issue today and decided to get a color
calibration target in addition to my grey card. I imagine those targets
are especially useful in a situation such as yours, to create a custom
ICC profile for your reproduction setup situation.

After reading this:
https://encrypted.pcode.nl/blog/2010/06/28/darktable-camera-color-profiling/
I have ordered an IT7.8 target from Wolf Faust, the "C1" type for
camera calibration: http://www.targets.coloraid.de/

Alternatively, the QPcard 203 looks promising:
http://www.qpcard.com/en_b2c/color-reference-cards/qpcard-203-book.html

Using such targets you can create a profile precisely for your kind of
lighting setup.

 Cheers
  Michael

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