Changing color of client messages

[Robo Dude]

How do I change the color of Client Message what would I use for White,Blue, and Green.

[Ad Bot]

[Robo Dude]

i need help

[Tom]

I am assuming you are talking about centerPrint and bottomPrint messages.
Just add <color:FFFFFF> before the text for white. You can replace the FFFFFF with any hex color code.