Wait, I thought we answered this?
Check out your post here.
http://discussions.apple.com/message.jspa?messageID=2503348#2503348
The default is exfxcxdxbxegedabagacad.
Blue = Directory
Magenta = Link
Green = Socket
Brown = Pipe
Red = Executable
Blue w/ Cyan background = Block Special
Blue w/ Brown bg = Character Special
Balck w/ Red bg = Executable with setuid bit set
Black w/ Cyan bg = Executable with setgid bit set
Black w/ Green bg = Directory writable to others, with sticky bit
Black w/ Brown bg = Directory writable to others, without sticky bit
Also, the ls man page explains some of this as well