Hey there, Kero.
This is not in Peer Review yet because I had some things going on. I have recently come to the realization that the article does not need to be flawless before Peer Review and, more to the point, I can hopefully get the help I need right now on the things that are stumping me via Peer Review.
Anyway, this means my writers block is crumbling and it'll happen soon.
As it pertains to the hair color, an ethaefal's colors only change with the seasons in their celestial form. Their mortal seeming coloring will remain the same season to season and year to year. I hope that clears this up!