Here is a good website to help you: http://s194832083.onlinehome.us/acservercolors/
Example: Say you want it to say "Welcome" in green and "To my server." in yellow.
You would set it out like this: \f0Welcome \f2to my server.
\f0 = Green
\f1 = Blue
\f2 = Yellow
\f3 = Red
\f4 = Gray
\f5 = White
\f6 = Dark Brown
\f7 = Dark Red
Wiki Post - http://wiki.cubers.net/action/view/MOTD#Colored_MOTD
Example: Say you want it to say "Welcome" in green and "To my server." in yellow.
You would set it out like this: \f0Welcome \f2to my server.
\f0 = Green
\f1 = Blue
\f2 = Yellow
\f3 = Red
\f4 = Gray
\f5 = White
\f6 = Dark Brown
\f7 = Dark Red
Wiki Post - http://wiki.cubers.net/action/view/MOTD#Colored_MOTD