A lamp for a vehicle includes a lamp unit including a plurality of light emitting areas arranged in a direction; a mode determination unit configured to determine a selected light emitting mode among a plurality of light emitting modes of the lamp unit; and a control unit configured to cause at least one of the plurality of light emitting areas to generate light having a first color or a second color based on the determined light emitting mode. In particular, the plurality of light emitting modes comprises: a first light emitting mode in which the light of the first color is generated from the plurality of light emitting areas; and a second light emitting mode in which the light generated from each of the plurality of light emitting areas is changed from the first color to the second color sequentially.