A control device includes a sensing unit configured to detect information regarding an environment of a vehicle; a head lamp configured to selectively output light of at least one color among a plurality of colors; and at least one processor configured to control the head lamp to selectively output light of a first color based on the information regarding the environment of the vehicle satisfying a first condition. In addition, a method for controlling a vehicle includes: detecting, through a sensing unit, information regarding an environment of the vehicle; and controlling, by at least one processor, a head lamp of the vehicle to selectively output light of a first color among a plurality of colors based on the information regarding the environment of the vehicle satisfying a first condition.