Abstract: A luminaire having a lamp (1) and at least one concavely curved reflector arranged, seen in the radiation direction, behind or to the side behind the lamp (1). To the side of the lamp (1) color filters (5) are so arranged that only the light radiated by the lamp (1) to the side against the at least one concave reflector (3) is altered in its color composition by means of the color filters (5). The light radiated in the radiation direction intended for the illumination is not altered in color.