The human eye can physically perceive millions of colours. But we don’t all recognise these colours in the same way. Some people can’t see differences in colours – so called colour blindness – due to ...

This image shows an example of a colour wheel close colour wheelA circle showing different groups of colours and how they relate to each other.. You might be able to spot the primary colours close ...

Seeing seven colours in a rainbow is down to what we expect to see, not reality. In fact, there are many more colours in a rainbow, as our readers explain Our perception of a rainbow is coloured (pun ...

Unpredictable and accidental combinations are gaining currency in design and textiles. Dominic Lutyens explores a ‘new vocabulary’ of colour. Colour touches us all in different ways – we each tend to ...