An organic light-emitting display apparatus including: a substrate; at least one thin-film transistor disposed on the substrate; at least one capacitor disposed on the substrate and including a first electrode and a second electrode; a pixel electrode connected to the at least one thin-film transistor; a counter electrode facing the pixel electrode and including a reflective material; an organic emission layer disposed between the pixel electrode and the counter electrode; a first optical characteristic adjusting layer disposed between the substrate and the pixel electrode and formed on a same layer as the second electrode of the at least one capacitor; and a second optical characteristic adjusting layer disposed between the first optical characteristic adjusting layer and the pixel electrode.