To talk in a different colored text, type @, then enter the first three letters of the color, then type another @, without spaces. For example, if you type @blu@, your text will appear blue. The following is a list of colors and letters to use:

ran: Random, flashing text
blu: Blue
bla: Black
cya: Cyan
gre: Green
mag: Magenta
ora: Orange
red: Red
whi: White
yel: Yellow (normal color)