Kepler-255 is a Sun-like G-type star (about 0.90 solar masses, 5,431 K, 0.86 solar radii), 1,053 light-years from Earth. Kepler-255 b is a planet with 1.6 Earth radii, with an orbital period of 5.7 days, at 0.063 AU from its star, discovered in 2014 via transit. Kepler-255 c is a planet with 3.0 Earth radii, with an orbital period of 9.9 days, at 0.092 AU from its star, discovered in 2014 via transit. Kepler-255 d is a planet with 1.3 Earth radii, with an orbital period of 1.0 days, discovered in 2016 via transit.