A device corrects an indirect lighting color in response to changes in a vehicle interior finishing material. An input unit of the device receives a finishing material color of a vehicle interior and a target indirect lighting color. A light source control map of the device includes light source control signals of indirect lighting based on finishing material colors and target indirect lighting colors. A controller of the device generates a light source control signal according to the finishing material color and the target indirect lighting color input to the input unit from the light source control map. The controller also corrects the color of a light source of control target indirect lighting by the generated light source control signal.