Red and Yellow Penalty Cards

These familiar red and yellow rectangular cards, shown slightly overlapping, are instantly recognizable symbols of disciplinary action in various sports, most notably soccer. The yellow card serves as a warning for fouls or misconduct, while the red card signifies a player's expulsion from the game. They represent the referee's authority in upholding the rules of the game.

red card - yellow card - penalty - referee - soccer - sports - rules - discipline