A lighting system, comprising: - a lighting unit which comprises at least two light sources (111, 112, 113, 114) having different color spectrums, - an optical part which is configured to mix the color spectrums of the light sources (111, 112, 113, 114), - a drive unit which is connected to the lighting unit and which is configured to energize the light sources (111, 112, 113, 114) of the lighting unit, - at least one sensor (117, 118) which is configured to detect at least one of the junction temperature of the light sources (111, 112, 113, 114) at a position of a connection area between the drive unit and the lighting unit and the temperature of the optical part, - a control unit which is configured to act on the drive unit as a function of predetermined primary data relating to the light sources (111, 112, 113, 114), the optical part and the drive unit as well as instantaneous secondary data obtained real-time from the lighting unit, the optical part and the drive unit during operation of the lighting system, wherein the control unit is configured to use an optimization algorithm which is designed to calculate control settings of the drive unit on the basis of the predetermined primary data and the instantaneous secondary data for optimizing a value of color consistency of each of the light sources (111, 112, 113, 114), the lighting system being characterized in that the control unit is further configured to use the optimization algorithm for maximizing a life time of each of the light sources (111, 112, 1132, 114), and wherein the predetermined primary data include an average age range of a target audience associated with an area in which the lighting system is to be operated, and wherein the instantaneous secondary data include values of at least one of the junction temperature of the light sources (111, 112, 113, 114) and the temperature of the optical part detected by the at least one sensor (117, 118), and of depreciation in at least one of the lighting unit and the drive unit, during operation of the lighting system. - a lighting unit which comprises at least two light sources (111, 112, 113, 114) having different color spectrums, - an optical part which is configured to mix the color spectrums of the light sources (111, 112, 113, 114), - a drive unit which is connected to the lighting unit and which is configured to energize the light sources (111, 112, 113, 114) of the lighting unit, - at least one sensor (117, 118) which is configured to detect at least one of the junction temperature of the light sources (111, 112, 113, 114) at a position of a connection area between the drive unit and the lighting unit and the temperature of the optical part, - a control unit which is configured to act on the drive unit as a function of predetermined primary data relating to the light sources (111, 112, 113, 114), the optical part and the drive unit as well as instantaneous secondary data obtained real-time from the lighting unit, the optical part and the drive unit during operation of the lighting system, the control unit is further configured to use the optimization algorithm for maximizing a life time of each of the light sources (111, 112, 1132, 114), and wherein the predetermined primary data include an average age range of a target audience associated with an area in which the lighting system is to be operated, and wherein the instantaneous secondary data include values of at least one of the junction temperature of the light sources (111, 112, 113, 114) and the temperature of the optical part detected by the at least one sensor (117, 118), and of depreciation in at least one of the lighting unit and the drive unit, during operation of the lighting system.