Colored Vowels

In his famous sonnet Voyelles, Arthur Rimbaud assigns a different color to each letter: "A black, E white, I red, U green, O blue." The poem seems to follow a secret logic impossible to fully stabilize. For over a century, critics, neurologists, and poets have tried to understand why these associations appear both arbitrary and strangely convincing.

Rimbaud writes Voyelles around 1871, when he is only about fifteen years old, and the poem opens with a famous formula: "A black, E white, I red, U green, O blue." Each vowel is then followed by a cascade of images sometimes organic, sometimes cosmic or almost hallucinatory. The text has long been read as an experience of synesthesia, that neurological phenomenon that leads certain people to spontaneously associate sounds, letters, or numbers with colors.

Nothing proves, however, that Rimbaud was synesthetic: the poem works above all as a very dense associative machine, where sounds, colors, and images contaminate each other without ever obeying a clear rule. Why would A be black rather than white, and O blue? The text refrains from answering, and it's this absence of stable logic that makes it troubling.

The instability perfectly fits Rimbaud's project, that "derangement of all the senses" where language was supposed to generate new mental experiences instead of describing the world. Voyelles thus anticipates several modern investigations into perception, abstraction, and the links between language and sensation, and continues to fascinate because it suggests a hidden, perfectly coherent system of which it never quite delivers the key.