show (one's) (true) colours

(redirected from showing his true colours)

show (one's) (true) colours

To reveal what one really believes, thinks, or wants; to act in accordance with one's real personality, character, or disposition. Primarily heard in UK. 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 realised that he wouldn't get any special commission for his efforts. It's only in times of crisis that your friends will really show their colours.
See also: colour, show
References in periodicals archive ?
By instinct, choice and style, he is showing his true colours - he is a Tory.
It was only after the couple broke up that Dhalla started showing his true colours through threats, including poison pen letters, arson and a hit man, to try to win her back.
Harry Kewell is also finally showing his true colours - red
ROOKIE Allan McNish has been showing his true colours at the Formula One testing in Barcelona.