A lighting device comprising: a color light emitting part including a plurality of light emitting elements (11R, 11G, 11B) each belonging to any one group among a plurality of groups; a luminance setting part for setting luminance in a predetermined luminance range; and a control part controlling light emission of said plurality of light emitting elements (11R, 11G, 11B) according to the luminance set by said luminance setting part, wherein said control part includes: a selecting means for selecting light emitting elements (11R, 11G, 11B) belonging to one group among said plurality of groups if the luminance set by said luminance setting part is less than or equal to a threshold luminance that is less than the upper limit of said luminance range, a light emission control means for controlling said light emitting elements (11R, 11G, 11B) selected by said selecting means to emit light and controlling remaining light emitting elements (11R, 11G, 11B) other than said light emitting elements (11R, 11G, 11B) selected among said plurality of light emitting elements (11R, 11G, 11B) not to emit light, and a time measuring means for measuring a continued time from the start of light emission control of said light emitting elements (11R, 11G, 11B) selected, by said light emission control means, and wherein when a measured time by said time measuring means has reached a predetermined time said selecting means selects light emitting elements (11R, 11G, 11B) belonging to a different one group from the group selected at a previous time and said light emission control means controls said light emitting elements (11R, 11G, 11B) belonging to said different one group selected by said selecting means to emit light and controls remaining light emitting elements (11R, 11G, 11B) other than said light emitting elements (11R, 11G, 11B) belonging to said different one group among said plurality of light emitting elements (11R, 11G, 11B) not to emit light, characterized in that each of said plurality of light emitting elements (11R, 11G, 11B) is capable of color-toning within a range of color temperature of at least 2500 K to 5000 K and said light emission control means controls the light emitting elements (11R, 11G, 11B) which are in a light emission state such that the color temperature thereof is 2500 K to 3000 K if the luminance set by said luminance setting part is less than or equal to said threshold luminance. a color light emitting part including a plurality of light emitting elements (11R, 11G, 11B) each belonging to any one group among a plurality of groups; a luminance setting part for setting luminance in a predetermined luminance range; and a control part controlling light emission of said plurality of light emitting elements (11R, 11G, 11B) according to the luminance set by said luminance setting part, wherein said control part includes: a selecting means for selecting light emitting elements (11R, 11G, 11B) belonging to one group among said plurality of groups if the luminance set by said luminance setting part is less than or equal to a threshold luminance that is less than the upper limit of said luminance range, a light emission control means for controlling said light emitting elements (11R, 11G, 11B) selected by said selecting means to emit light and controlling remaining light emitting elements (11R, 11G, 11B) other than said light emitting elements (11R, 11G, 11B) selected among said plurality of light emitting elements (11R, 11G, 11B) not to emit light, and a time measuring means for measuring a continued time from the start of light emission control of said light emitting elements (11R, 11G, 11B) selected, by said light emission control means, and a selecting means for selecting light emitting elements (11R, 11G, 11B) belonging to one group among said plurality of groups if the luminance set by said luminance setting part is less than or equal to a threshold luminance that is less than the upper limit of said luminance range, a light emission control means for controlling said light emitting elements (11R, 11G, 11B) selected by said selecting means to emit light and controlling remaining light emitting elements (11R, 11G, 11B) other than said light emitting elements (11R, 11G, 11B) selected among said plurality of light emitting elements (11R, 11G, 11B) not to emit light, and a time measuring means for measuring a continued time from the start of light emission control of said light emitting elements (11R, 11G, 11B) selected, by said light emission control means, and wherein when a measured time by said time measuring means has reached a predetermined time said selecting means selects light emitting elements (11R, 11G, 11B) belonging to a different one group from the group selected at a previous time and said light emission control means controls said light emitting elements (11R, 11G, 11B) belonging to said different one group selected by said selecting means to emit light and controls remaining light emitting elements (11R, 11G, 11B) other than said light emitting elements (11R, 11G, 11B) belonging to said different one group among said plurality of light emitting elements (11R, 11G, 11B) not to emit light, characterized in that each of said plurality of light emitting elements (11R, 11G, 11B) is capable of color-toning within a range of color temperature of at least 2500 K to 5000 K and said light emission control means controls the light emitting elements (11R, 11G, 11B) which are in a light emission state such that the color temperature thereof is 2500 K to 3000 K if the luminance set by said luminance setting part is less than or equal to said threshold luminance.