A light-emitting device comprising: a first element (130a, 230a, 420a) comprising: a first color filter layer (134a, 434a) configured to transmit light in a first wavelength range; and a first light-emitting element (132a, 232a, 418a), wherein the first light-emitting element comprises: a first electrode (102a, 413a) having a reflective property; a first light-emitting layer (106, 431) over the first electrode having a reflective property; and a second light-emitting layer (110, 210, 433) over the first light-emitting layer, and a second element (130b, 230b, 420b) comprising: a second color filter layer (134b, 434b) configured to transmit light in a second wavelength range; and a second light-emitting element (132b, 232b, 418b), wherein the second light-emitting element comprises: a second electrode (102b, 413b) having a reflective property; the first light-emitting layer over the second electrode having a reflective property; and the second light-emitting layer over the first light-emitting layer, wherein a first central wavelength transmitted by the first color filter layer is shorter than a second central wavelength transmitted by the second color filter layer, characterized in that a first optical path length between the first electrode having a reflective property and the first light-emitting layer in the first element is one-quarter of the first central wavelength, and a second optical path length between the second electrode having a reflective property and the second light-emitting layer in the second element is three-quarters of the second central wavelength. a first element (130a, 230a, 420a) comprising: a first color filter layer (134a, 434a) configured to transmit light in a first wavelength range; and a first light-emitting element (132a, 232a, 418a), a first color filter layer (134a, 434a) configured to transmit light in a first wavelength range; and a first light-emitting element (132a, 232a, 418a), wherein the first light-emitting element comprises: a first electrode (102a, 413a) having a reflective property; a first light-emitting layer (106, 431) over the first electrode having a reflective property; and a second light-emitting layer (110, 210, 433) over the first light-emitting layer, and a first electrode (102a, 413a) having a reflective property; a first light-emitting layer (106, 431) over the first electrode having a reflective property; and a second light-emitting layer (110, 210, 433) over the first light-emitting layer, a second element (130b, 230b, 420b) comprising: a second color filter layer (134b, 434b) configured to transmit light in a second wavelength range; and a second light-emitting element (132b, 232b, 418b), a second color filter layer (134b, 434b) configured to transmit light in a second wavelength range; and a second light-emitting element (132b, 232b, 418b), wherein the second light-emitting element comprises: a second electrode (102b, 413b) having a reflective property; the first light-emitting layer over the second electrode having a reflective property; and the second light-emitting layer over the first light-emitting layer, a second electrode (102b, 413b) having a reflective property; the first light-emitting layer over the second electrode having a reflective property; and the second light-emitting layer over the first light-emitting layer, wherein a first central wavelength transmitted by the first color filter layer is shorter than a second central wavelength transmitted by the second color filter layer, characterized in that a first optical path length between the first electrode having a reflective property and the first light-emitting layer in the first element is one-quarter of the first central wavelength, and a second optical path length between the second electrode having a reflective property and the second light-emitting layer in the second element is three-quarters of the second central wavelength.