To be honest, Background colors annoy me, If you want text formatting, Don\'t use colors. Underline and Bold is fine, Just colors look very unprofessional and newbish imo.

on *:JOIN:#:{
  msg $nick Hello $nick $+ , Welcome to $chan $+ .
  msg $nick Please take some time and read the channel rules.
  timer 1 1 msg $nick 1. Blah
  timer 1 3 msg $nick 2. Blah
  timer 1 5 msg $nick 3. Blah
  timer 1 7 msg $nick 4. Blah
  timer 1 9 msg $nick 5. Blah
  timer 1 15 msg $nick Faliure to obey the the chhanel rules may get you removed from the channel.
  halt
}