Board Thread:Episode Discussion/@comment-4141313-20181208003742/@comment-27082610-20181211043506

Another point for her being orange is the idea that the Arc family names are in French. Now, since they can't use orange outright for that (orange is French, after all), they'd need to use another color that's easily recognizable but still sounds feminine. Easy answer: Saffron, or in French, Safran.