An organic light emitting device includes a first pixel, a second pixel, and a third pixel to display different colors from each other, wherein the organic light emitting device includes a first electrode, a second electrode facing the first electrode, a light emitting member disposed between the first electrode and the second electrode, and a translucent member disposed on or under the first electrode and forming a micro-cavity along with the second electrode. The translucent member has the same thickness in the first pixel as in the second pixel.