By late 1943 use of camouflage by USAAF was mostly abandoned in favour of natural metal livery. In cases it was still applied, new colours were used – ANA 613 Olive Drab (lighter shade) over ANA 603 Sea Grey (more blueish tint).
HTK-C018 – US Olive Drab (Late) – ANA 613 Olive Drab, used from late 1943 till end of WW2 for upper surfaces of camouflaged USAAF aircraft
HTK-C031 – Gunship Grey – ANA 603 Sea Grey, used from late 1943 till end of WW2 for lower surfaces of camouflaged USAAF aircraft
HTK-C078 – Aluminium – Overall colour of USAAF aircraft after late 1943, when camouflage was abandoned except for night fighters and transports