The Krypton Factor were set. The contestants, from 1986 onwards, all had their own corresponding colour, either red, green, yellow or blue. They wore their own clothes, apart from the Physical Ability round where the contestants wore track suits which were, in early series, red, burgundy, orange, green, black, light blue and dark blue. From 1986 onwards, the tracksuits were red, green, yellow and blue, and varied in design over the series that followed. The track suits changed to black with a coloured stripe from 1990 to 1993. For their own clothes, the contestants either wore a shirt/blouse, tie or a neckscarf of
Road signs in the United Kingdom patch may only be coloured blue or green. Signs indicating a temporary change, such as roadworks or route diversions, are denoted with a yellow background. Usually these signs use a simple black on yellow colour code, more complex signage use the conventional signs superimposed onto a yellow background. In some areas, such as the Dartmoor National Park, additional signs and colours are used to distinguish road conditions. In addition to the national colour schemes, the park also uses white signs with a light blue border and text to denote routes suitable for medium-sized vehicles and white signs with a brown