Shooting with LUTs
From KDHX Production
if you are color correcting, and the footage you're working from looks gray and low contrast, it was probably shot with the Cinestyle compression (user defined setting 1 on the cameras), and the LUT the unlocks it should be applied before color correction. Here's an explanation of that in our updated FCPX 10.4: https://www.youtube.com/watch?v=1J0Ix4hQrpE