I'm Luke! [Yes of course he will share a puzzle. To do otherwise would be so ungentlemanly.]

Mr. Red, Mr. White, and Mr. Green were going to lunch together. One wore a red hat, one wore a white hat, and one wore a green hat. "I say, Mr. Green!" said the man in the red hat, "Have you noticed that none of us are wearing the hat with a color that matches our name?"

What color hat is each man wearing?