Tell me very simple what colors to use on Titans

[princess1]

Here is a good thread that explains the colours well … this is most fundamental aspect of the game. Get that down and you are well on your way!

What colors dominate

Im curious. I own 2 alliances and have played awhile and have always believed Blue and Red hurt each other such as purple and yellow with green being universal. Recently i asked someone regarding titan hits and he said instead of putting red in to attack a blue, use green. Green hurts blue the most. Now im just confused. Please help.