User blog:Lightning the Skrill/Night Fury's Plasma Blast; Blue or Violet?

So I have seemingly ALWAYS been wondering about this question. Is the Night Fury's Plasma Blast Blue or Violet/Purple? I have been thinking that it is blue, but it could be also possibly be violet. So in the films, we usually see violet. And I'm saying violet because it is more accurate than purple. In HTTYD and HTTYD 2, most of it, or nearly all of it was purple. Now in the series, there was some violet, but some blue as well. By comparing this, it seems that it's blast is violet. But there is one more explanation. If Toothless' blasts are all violet or purple, than why did his "Alpha Mode" in HTTYD 2 charge blue? Now it makes a lot of sense that his blasts are blue, but what about all the other violet shots? What do you guys think?