colour code


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colour code

or

color code

n
a system of easily distinguishable colours, as for the identification of electrical wires or resistors
References in periodicals archive ?
Karachi -- Public transport buses in Karachi run without following official bus colour code policy.
The level of risk will be depicted by colour code boxes.
A key purpose is to break down the potentially monolithic nature of the facade, while providing a colour code for seven different areas of the building, each of the seven sets of colour related chromatically to its neighbour.