Even amongst chassidim, arent the styles different? Is the stamar hat (no idea what its called) the same as one worn by a bobover? streimel, spudik, hats for chabad. white socks, black socks (and no socks for the bahamian chassidim), knickers for some pants for others. boots for the skverer chassidim shoes for everyone else (except the Bahamians who wear flip flops). the only similarity (and there are many exceptions here to) are the colors, black and white, for the most part.
The kohein Gadol wore gold and blue (rebbes bekeshes are these colors to – and no, I am not trying to sound like dr seuss), why are these colors off limits to yeshiva bachurim?