(one's) true color(s)(redirected from his true color)
(one's) true color(s)
One's true or honest beliefs, thoughts, convictions, biases, desires, etc.; one's real personality, character, or disposition. Dave said all along that he only wanted this deal because it was in the company's best interest, but he showed his true colours once he realized that he wouldn't get any special commission for his efforts. You will really see your friends' true colors when you call upon them in a time of crisis.
See also: true
someone's true colors
Fig. a person's true attitude, opinions, and biases. When he lost his temper at his wife, I began to see his true colors.
see under show one's true colors.