NoFunAllowed

Hey Karzy :) I want to ask if its possible to make a rainbow that goes from this color http://i.gyazo.com/bc850051c7680497b428c7487e802e2c.png through this mix of them both http://i.gyazo.com/86b21484eaaa5428440df31ddb18a9b6.png to this color http://i.gyazo.com/afae6f2aa2656694450ce15ef60d976c.png and it should have a ripple effect when typing. Thank you for the help and have a nice day