The factory settings you can select from, provides a really good picture on my TCL. They have come a long way. I do like a lighter picture as the movies don't look so DARK, for ME.
TCL 55", Vizio 50", 40" [Roku]
DENON AVR-S910W, 7.2, 4K UHD, ATMOS, ARC, Dolby TrueHD, Pure Direct, Wi-Fi
KLIPSCH: L/R R-15M, Ctr R-25C, Sub R-100SW, Surr: Polk S-10
DTV: Ultimate Pkg, DVR HR44-700, Wireless to 2 TV's
ATT DSL: 100Mbps [Avg. 85Mbps]