Semiotics and signs: why do we use the colours we do? - The Sign Shed

Semiotics and signs: why do we use the colours we do?

Why are safety signs coloured the way they are?

When it comes to health and safety signs, you’ll no doubt notice that different types of signs have different shapes: triangular or diamond shapes for warning signs, round for prohibitive signs and so on. But have you stopped to think about the different colours that are used in safety signs and why they are actually used?

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