Mong Kok is red, Admiralty is blue, and no one passing through Choi Hung MTR station can fail to spot the rainbow-streaked pillars at the platform. You may think the vibrantly coloured tiled walls of Hong Kong’s mass transit railway system mirror the city’s energy, but that’s not why contrasting colours were chosen for its stations.
The main reason bright colours were adopted when the first line opened in the 1970s was to lighten up the subway system, according to Andrew…