Board Thread:Character Discussion/@comment-4637931-20160322030828/@comment-25926288-20160322031655

Nope, still fairly dark. Just because you do a little good doesn't undo all the evil you've done. Regina has just started the road to amends so there's no way she even close to a light (red) heart.

And light magic is about the source, not really a type of magic. It was her love and the belief of others in her that allowed her to perform the white energy blast.