Hey there,
So me too I have the same problem of dark clip in Finalcut.
I have been working on a project since decembre, and now that I am coloring, I go back and forth from Color to Finalcut, and viceversa.
For some reasons yesterday, when I switched back my color project to finalcut, all the clips were dark and oversatured. Ok you now know the symptoms. But :
This has nothing to do with color calibration since on the same display I have the image of Color and the viewer of Finalcut and only the one from Finalcut is dark. So this has to have something to do with finalcut pro only.
I did not try or mess with the display preference since both my display are well calibrated with X-rite.
I did try to go in the preferences of Final cut but nothing changed.
So I don’t know what to do, I am in the middle of a project so I have to admit I am a bit scared.
Alex