Mm... likely not to a human, I'm afraid.

[She looks politely apologetic, and explains:]

I wouldn't want to call it impossible, because I know that many places are quite different from my home, but in my world it's very rare for humans to be able to use magic, and the ones that can are born with the ability. And even if you were, there'd be no guarantee that you'd be capable of using purple magic, in particular.