Cyan: An Unexpected Connection Between Colour and Sea

Some discoveries arrive with fanfare, while others sneak up on you quietly in the middle of an ordinary day. Mine came in the form of a colour.

I have always loved cyan: that luminous shade that sits somewhere between blue and green, evoking tropical waters, endless skies and the shifting light of summer. Yet it was only recently that I realised something that stopped me in my tracks: the word cyan comes from the ancient Greek word κυανός (kyanós), meaning dark blue or blue-green. Even more intriguingly, the same root appears in the Greek word ωκεανός (okeanós) — ocean.

As someone who has lived much of her life by the sea, this felt like one of those delicious linguistic revelations that suddenly makes perfect sense. How had I never noticed it before?

The ancient Greeks used κυανός to describe deep blue hues found in nature, minerals and, of course, the sea itself. Unlike our modern colour charts and paint swatches, colours in antiquity were often understood through experience and association: the shimmering surface of water, the darkening sky before dusk, or the precious stones and pigments that captured these elusive tones.

Today, cyan occupies a very specific place in the colour spectrum. It sits exactly between blue and green and is one of the subtractive primary colours used in printing, alongside magenta and yellow. Every magazine, book and beautifully printed textile owes something to cyan, which plays an essential role in creating the rich palette of colours we see on paper.

Yet cyan is much more than a technical printing term. It is the colour of Mediterranean coves viewed from above, of sunlight dancing on waves, of weathered shutters and faded fishing boats. It carries with it a sense of calm and openness, but also mystery and depth.

Perhaps this is why the connection between κυανός and ωκεανός resonates so strongly with me. Language, like colour, has layers. Words travel across centuries, changing shape and meaning as they go, carrying fragments of the cultures that created them. Sometimes we use them every day without ever stopping to wonder where they came from.

And then, suddenly, we do.

There is something rather beautiful about discovering that a colour I have long been drawn to is linguistically tied to the sea that has shaped so much of my life and work. It feels less like a coincidence and more like a reminder that art, language and nature are all connected in ways we do not always notice at first glance.

So the next time you come across cyan — in a painting, a textile, a summer sky or the glimmering water of the Aegean — perhaps you too will hear an echo of κυανός and ωκεανός, and remember that colours, much like words, carry stories within them.

All images included in this post, photography, designs and artwork, are my own © Lenochka B Creative