You do not simply create 550 different versions of the sprite , it'll take extremely long to do.
this means FRO is not just an ordinary server, it already made a whole to the next level which we can simply call EVOLUTION ^^
If you're able and willing to make 550 palettes for the jackets, I think it could be nice.
If only I have the skills and knowledge to make one, I already made an example
But unfortunately not , that's why I express this ideas into this suggestions to find someone willing with the ability to create