Lieutenant Green pointing out that Lieutenant Green – and the other non-white regulars, Melody and Harmony Angels – are heroic characters of African and Asian backgrounds. Green's original voice actor, Cy Grant, considered "Captain Scarlet" to be of positive multicultural value and commented on its possible allegorical nature. With regard to dualism, he suggested that "the 'darkness' of the Mysterons is most easily seen as the psychological rift—the struggle of 'good' and 'evil' — of the Western world as personified by Colonel White and his team. Dark and light are but aspects of each other. Incidentally, green is the colour of nature
Lieutenant Green that can heal that rift." He also discussed the notion of Green being an African trickster hero. The progressiveness of Green's characterisation has been well received. Mike Fillis of "Cult Times" praises the Andersons' decision to make a black character the "second-in-command" onboard Cloudbase. Kurt Barling, author of Grant's obituary for "The Independent", writes that Green was "one of the first positive black fictional characters in children's television". He praises the character's vocal delivery, arguing that Grant's " tones" provided Green with a "serene and heroic quality". Green is described in "The Daily Telegraph" as a "black defender of planet