“It is obvious to the most simpleminded that Lokai is of an inferior breed.”
“The obvious visual evidence, Commissioner, is that he is of the same breed as yourself.”
“Are you blind, Commander Spock? Well, look at me. Look at me!”
“You’re [blue] on one side and [orange] on the other.”
“I am [blue] on the right side.”
“I fail to see the significant difference.”
“Lokai is [orange] on the right side. All of his people are [orange] on the right side.”

or apparently now “orange and blue man” stems from Always Sunny in Philadelphia:
http://en.wikipedia.org/wiki/It%27s_Always_Sunny_In_Philadelphia

Check Charlie’s bio