I know for a fact that 225/50/16 will not fit in the rear on my CRX, but mine is lowered also, not stock height. Rubbed the fender bad, only on the car for 30 seconds lol.
Edit: I agree with Seti. Mixing and matching sizes is not wise. Some experts do it, but they have actual track data to back it up (Hasport)
I tried the wheels on the car to see if they looked good and were correct offset (they were prolly a +38~40..a Rota wheel). Just happened to have same section width and sidewall ratio lol.