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, Upscaling, Wi-Fi
Klipsch: L/R R-15M, CTR R-25C, SUB R-100SW, SURR: Polk S-10
DTV: Ultimate Pkg, DVR HR44-700, Wireless 2 TV's
ATT DSL: 100Mbps [Avg. 85Mbps]