Question my new monitor came in looks great need advice on settings

[Smoker_2]

Hey, I brought the Asus tuff VG279QL3A 180 hz 1ms 1080p version I been trying to look for a guide. But I can't find any online for gaming settings, I don't even know if AMD free sync is enabled. Everything is supper bright in vivid but is there a good setting I Can use for say like Diablo 3 in 4 Red and blue stand out the most I have it set to RTS/RPG atm with level 3 shadow boost and ASCR on. Thanks, I need it game ready for tonight. my Gpu is a RX 6600 8 gig