"Mallard" wore a variety of liveries throughout its career. These were: garter blue as 4468, LNER wartime black from 13 June 1942, later wartime black with the tender marked as "NE" from 21 October 1943 as 22 with yellow small stencilled numbers, post-war garter blue with white and red lining from 5 March 1948 with stainless steel cabside number 22, British Railways dark blue as 60022 from 16 September 1949, Brunswick green from 4 July 1952 and its original LNER garter blue for preservation in 1963.