Dell G3223q monitor has a yellow tint (calibration / white point issue) : r/ Monitors
drivers - Screen turns yellow even using the live option Ubuntu 22.04 - Ask Ubuntu
Yellow Screen on Raspbian Buster 2019-06-20 - General Discussions - Mender Hub
So I've just got the aw3420dw and realise the screen has an obvious yellow hue. Adjusting colors, brightness and contrast does help but still not white. Got dell to send replacement but