[Help] Changing post color

Hello,i need help for change color post in the server. The files are builded with a external dll and not have the option for change the post color.
What i do? Ollydbg? Hex?
The commands archive of gameserver have this only:
//----------------------------------------------------------------------------------------// string | active | level | zen | vip | reset | temp//----------------------------------------------------------------------------------------0// string = string do comando.// active = 1: ativa o comando, 0: desativa.// level = level para usar o comando.// zen = zen necessário para usar o comando.// vip = a partir de qual vip poderá usar o comando.// reset = quantos resets precisa para usar o comando.// temp = tempo para usar o comando novamente, apenas /post. "/post" 1 1 1000 0 0 5

And the color post is this:
http://i68.tinypic.com/5ahrmc.jpg