It might be ok if you add Aurantia first and wait for it to become established before adding flame, they are much more cryptic and shy than a flame angel, so if you add flame angel first you might find the flame will chase it, aurantia will hide the whole time and not eat enough.
Aurantia is one of least aggressive Centropyge, so best to either have it as first angel or the only angel. A friend of mine’s aurantia took 2 years before it started taking prepared foods, luckily his tank was big enough to supply food for it to survive so long. He only sees it every now and then, it hides a lot.