reveal (one's) (true) colors

(redirected from reveal her true colours)

reveal (one's) (true) colors

To reveal what one really believes, thinks, or wants; to act in accordance with one's real personality, character, or disposition. Primarily heard in US. Dave said all along that he only wanted this deal because it was in the company's best interest, but he revealed his true colors once he realized that he wouldn't get any special commission for his efforts. It's only in times of crisis that your friends will really reveal their colors.
See also: color, reveal
References in periodicals archive ?
She prodded the right people at the right time and allowed Eileen Drewery to reveal her true colours when she suggested to a girl who'd lost one eye that she probably deserved it after "being a bit evil" in a previous existence.