The problem I see with using the Xterm sequences is that there isn't any good way to determine if the player is using a client that supports them. That's probably why you haven't seen any MUD implemen ...
I wasn't sure if MXP supported more colors or not. I tried to look it up just earlier, but could only find examples where it used the color 'red'. But you can specify col ...
I would like to bring up to discussion the sort of escape sequences that are used by modern versions of XTerm for displaying text and text background in 256 colors. These things have been ar ...