Hi packrat,
I haven't used a lot of Cat 6 cable in the last couple of years, but yeah, as far as I am aware, the colours are the same.
I can't imagine why they would go and change the wire colours at all, in fact, if they did, some of the installers I know over here, would end up running home, crying, due to not knowing how to deal with such a move.
One thing that the Cat 6 cable here has that Cat 5e doesn't, is a "X" shaped seperator between the twisted pairs, inside the cable sheath.