Button Colors on 7.2.1

Running 7.2.1 Suite R theme. Theme Settings there is a Button Color setting which is FFFFFF by default. Changing it doesn’t seem to have any effect, at least all the most common buttons: Save, Cancel, Search, Clear, Assign, etc. are all still blue. The button hover color setting DOES work though.

Nope, sorry can’t get excited about this. I tried, but it just ain’t doing it for me.