Bright colors look great on OLED computer monitors and they handle fast-moving objects really well, making OLED monitors a favorite for gamers.
I have a Dell U2720Q monitor that accepts HDMI 2.0, DisplayPort 1.4 and USB-C. I use USB-C because the monitor acts as a hub for a range of peripherals (keyboard, mouse, webcam, speakers, etc.etc) and ...
A new monitor can be a great thing, but your computer might not adjust its settings to take advantage of it automatically.