WHERE DO THE COLOURS COME FROM?

DRUM - - INFOGRAPHI­C -

We all know that red means stop, green means go and am­ber means slow down – but how did these colours come to be con­nected to traf­fic? Red is of­ten used to sym­bol­ise dan­ger, and green, the op­po­site of red on the colour wheel, is of­ten seen as wel­com­ing or calm­ing. The am­ber or yel­low colour is one of the most eas­ily vis­i­ble to the hu­man eye and can be seen from far away, mak­ing it the ob­vi­ous choice for “cau­tion” or “slow down”.

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