User blog comment:Lightning the Skrill/Night Fury's Plasma Blast; Blue or Violet?/@comment-24497928-20150324133733/@comment-24497928-20150324170521

Ooh that's a tough one. Well in our physical world I don't think that there is any purple flame. But in the Dragon world I would say that blue is hotter, seeing how its closer to white (which is the hottest flame color).