The way you see color depends on what language you speak

Since the day we were born we have learnt to categorise objects, colours, emotions, and pretty much everything meaningful using language. And although our eyes can perceive thousands of colours, the way we communicate about colour – and the way we use colour in our everyday lives – means we have to carve this huge variety up into identifiable, meaningful categories. Painters and fashion experts, for example, use colour terminology to refer to and discriminate hues and shades that to all intents and purposes may all be described with one term by a non expert.

Different languages and cultural groups also carve up the colour spectrum differently. Some languages like Dani, spoken in Papua New Guinea, and Bassa, spoken in Liberia and Sierra Leone, only have two terms, dark and light. Dark roughly translates as cool in those languages, and light as warm. So colours like black, blue, and green are glossed as cool colours, while lighter colours like white, red, orange and yellow are glossed as warm colours. The Warlpiri people living in Australia’s Northern Territory don’t even have a term for the word “colour”. For these and other such cultural groups, what we would call “colour” is described by a rich vocabulary referring to texture, physical sensation and functional purpose.

Five key colours

Remarkably, most of the world’s languages have five basic colour terms. Cultures as diverse as the Himba in the Namibian plains and the Berinmo in the lush rainforests of Papua New Guinea employ such five term systems. As well as dark, light, and red, these languages typically have a term for yellow, and a term that denotes both blue and green. That is, these languages do not have separate terms for “green” and “blue” but use one term to describe both colours, a sort of “grue”.

People see colours differently according to the way their language categorises them. Historically, Welsh had a “grue” term, namely glas, as did Japanese and Chinese. Nowadays, in all these languages, the original grue term has been restricted to blue, and a separate green term is used. This is either developed from within the language – as is the case for Japanese – or through lexical borrowing, as is the case for Welsh. Russian, Greek, Turkish and many other languages also have two separate terms for blue – one referring exclusively to darker shades, and one referring to lighter shades.