To this day it won't let you easily pick a solid color for the background. It blows my mind this was removed. Does macOS allow that? I haven't used it in ages.

To this day it won't let you easily pick a solid color for the background. It blows my mind this was removed. Does macOS allow that? I haven't used it in ages. I'm asking because at some point it seemed all GNOME wanted was to follow Apple guidelines.