sudo nano /etc/polkit-1/localauthority/50-local.d/create-device-tf2.pkla
[Allow Color Manager]
Identity=unix-user:*
Action=org.freedesktop.color-manager.create-device;org.freedesktop.color-manager.create-profile;org.freedesktop.color-manager.delete-device;org.freedesktop.color-manager.delete-profile;org.freedesktop.color-manager.modify-device;org.freedesktop.color-manager.modify-profile;org.freedesktop.color-manager.install-system-wide;org.freedesktop.color-manager.device-inhibit;org.freedesktop.color-manager.sensor-lock
ResultAny=yes
ResultInactive=yes
ResultActive=yes