My two cents... black is safe and boring.
My first Chanel was black. I wore it all the time and thought “it’s a Chanel, it must go with everything”. Wrong.
I have since purchased many other Chanel bag styles and colors.
I never wear my black bags and will not buy anymore black.
Contrary to what many say, black does not go with everything. A black bag looks horrible with a light summer outfit. A neutral or color bag is much more chic.
If you can only have one Chanel, then sure, black is safe. If you have other bags, I would not repeat bag.
I think it’s much more fashionable to have other colors to match say, a summer outfit (google fashion photos to get ideas).
Hope this helps.