0 one of the three colours – orange, green, or purple – that can be made by mixing together two of the primary colours --
Grey was also added as a secondary colour.
In normal cells, the secondary colour is observed, but only the primary colours are observed when the translocation occurs.
Black was added as a secondary colour and the striping returned to a more pedestrian design.
It enabled multiple secondary colour corrections to be applied each within a separate area of the image.
The club now uses tangerine socks, though navy was used as a secondary colour in the late 1980s and early 1990s.
