There´s a plugin called simple chat colors it also has the ability to color tags and so on, here a link to the plugin
http://forums.alliedmods.net/showthread.php?t=105150
There seems to be an updated version somewhere between pages 12 and 14
Also you will need a colors.inc file with l4d2 support
http://forums.alliedmods.net/showthread.php?t=96831
heres an example of my simple chat color cfg which is located in "addons\sourcemod\configs"
Code:
"admin_colors"
{
"Groupname2"
{
"flag" "z"
"tag" "[Admin]"
"tagcolor" "{red}"
"namecolor" "{green}"
"textcolor" "{default}"
}
"Groupname"
{
"flag" "b"
"tag" "[Admin]"
"tagcolor" "{red}"
"namecolor" "{green}"
"textcolor" "{default}"
}
"Overrides"
{
"rank" ""
"testcommand" ""
"rtv" ""
"nominate" ""
}
}
I hope this is what you mean...