In L'yhta's case, she spends a not inconsequential amount of gil on having the aesthetician change her hair color from its natural purple to... whatever color she's feeling like at the moment. 
That said, there's enough NPCs with variant hair colors about that I think you can justify whatever you want.
That said, there's enough NPCs with variant hair colors about that I think you can justify whatever you want.
The Freelance Wizard
Quality RP at low, low prices!
((about me | about L'yhta Mahre | L'yhta's desk | about Mysterium, the Ivory Tower: a heavy RP society of mages))
Quality RP at low, low prices!
((about me | about L'yhta Mahre | L'yhta's desk | about Mysterium, the Ivory Tower: a heavy RP society of mages))
