A greenish hue has been reported by other users in the past. It is caused by using an incorrect colour profile for the display. Please try removing all active colour profiles and tell us if that solves the problem.
Also, are you using any special hardware to generate your colour profile? If not then that's a mistake. You need to use an external device to generate a profile and verify its correctness for your monitor, or use none at all. One relatively cheap option is https://hughski.com/colorhug2.html ** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu) ** Changed in: xorg-server (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1803840 Title: color calibration with huey pro greenish To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1803840/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
