I noticed someone running around with the current holiday dye and thought it's pretty close to the coloration of the Imperial War Horse.

I grabbed an Imperial costume, my Colovian badger pet, and went and stood at the entrance to Colovia. If you're into making an especially Imperial character you might want to check out this dye. (normally this character looks like a jungle woman and I realized that her being of Imperial race is irrelevant after donning the costume.. also the Holiday dyes are how all rare achievement dyes work and it's b.s. that you can only look this good with crown store, one-off dyes).