Trainset 2157 carried a "Keikyu Blue Sky Train" livery from 11 June 2005 From then, set 2133 inherited the "Keikyu Blue Sky Train" livery. From 21 February 2016, set 2133 operated in a modified version of its blue livery, adapted to resemble the livery of Taiwan Railways Administration trains, to mark the first anniversary of the signing of a friendship agreement between Keikyu and Taiwan Railways Administration.
