When talking about Yves Klein on the French Riviera, one immediately thinks of colour. A unique, almost hypnotic colour: blue. But this blue is not simply a shade. It is a sensation, an idea, almost a philosophy.

Yves Klein was born in Nice in 1928, and that detail is already significant. Because here, on the French Riviera, the light is different from anywhere else. It is brighter, more vivid and more intense. Many believe that this distinctive light helped shape his artistic vision.

When I talk about Yves Klein with visitors, I like to say that he did not paint the sea… he tried to capture what we feel when we look at it. That sense of infinity, that moment when the sky and the water seem to merge into one.

His most famous creation is, of course, the blue he patented himself: International Klein Blue (IKB). A deep, vibrant blue that seems almost weightless. This colour became his signature, his language and his artistic territory.

But reducing Yves Klein to a single colour would be a mistake. He was a visionary and radical artist who transformed the way we think about art. On the French Riviera, he found a starting point, a sensory foundation that would remain with him throughout his life.

n Nice, it is impossible to talk about Yves Klein without talking about light. The morning light on colourful façades, the afternoon sun reflecting on the sea, the evening sky becoming almost electric.

Although much of his career took place elsewhere, his roots in Nice remain essential to understanding his work. This is where he grew up, observed the world and developed his unique relationship with colour and space.

When walking through Nice today, it is easy to understand what may have inspired him. Contrasts are everywhere: the intense blue of the sky, the deep shadows of the narrow streets and the constantly changing reflections of the sea. Everything already seems almost pictorial.

What I like to explain to visitors is that Klein did not try to reproduce reality. He sought to go beyond what the eye can see. And Nice, with its distinctive Mediterranean light, offered him the perfect environment for experimentation.

In the 1950s, he began developing his monochromes. A single colour applied as a sensory experience. Very quickly, blue became central to his work. But not just any blue: a pure, unaltered blue, almost immaterial.

This blue is not decorative. It is immersive. It invites you to enter the artwork rather than simply look at it.

To understand Yves Klein’s legacy on the French Riviera, one thing must be accepted: his work extends far beyond paintings. It reaches into space, movement and the very idea of artistic creation.

He experimented with performances, notably his Anthropometries, in which the human body became a tool for painting. He also explored the immaterial, questioning whether art could exist beyond the physical object.

When I discuss his work during my tours, visitors are often surprised. Klein is not an artist who is always easy to understand. He challenges conventions and can sometimes be unsettling, but he is always fascinating.

On the French Riviera, his legacy can be found in the region’s contemporary art scene, particularly in museums and art foundations such as the Fondation Maeght, where his avant-garde spirit continues to resonate alongside modern artworks.

But his influence extends far beyond cultural institutions. It is all around us. In the intense blue sky of August. In the calm sea in the early morning. In that feeling that the horizon stretches endlessly into the distance.

Perhaps this is Klein’s greatest achievement: transforming a natural element — the colour of the Mediterranean sky — into a universal artistic experience.

Talking about Yves Klein means talking about a quiet revolution. A revolution that does not rely on complex shapes, but on a single colour pushed to its ultimate intensity.

On the French Riviera, his legacy is almost invisible and yet everywhere. In the light, in the air, in the sea.

And when I finish a tour discussing his work, I often tell visitors: “Look at the sky now.” Because perhaps that is where true Klein blue begins.