how to color one mail reply you in a thread ?

[stardiviner]

I want to color one special mail in a thread from one mailing list.
for example:
Subject .....
[r]  `-> (I replied here)
      |  `-> 
      |
      `-> (someone replied me at here, I want to color this mail in mutt color 
theme)
      how to do this ?
-- 
stardiviner GPG: 5D9F64D8 Twitter: @numbchild
http://stardiviner.dyndns-blog.com/author.html

signature.asc
Description: Digital signature