I use this mainly for flight simming, had to adjust the saturation as it felt a little washed out but moving this from 50% to 65% resolved this. There have been reports of flickering with gsync on and I did experience this but turning it off stopped it from occurring again. My settings are :
My settings are:
Brightness 100
Contrast 75
Game Mode off
OverDrive off
Saturation 65
Darkboost off
Custom color = R100, G95, B100