Pick a shade, test it, trademark it, put it on everything. But the idea that color can signal status, command attention, and move people to act is not a marketing innovation. It is one of the oldest tricks in human civilization. Brands didn't invent it. They inherited it, and then they industrialized it.

To understand why a company will spend a decade in court fighting over a single shade of purple, you have to go back about three thousand years — to a snail.

The Color of Power

In the ancient Mediterranean, the most coveted color in the world was extracted, drop by agonizing drop, from the glands of sea snails. Tyrian purple — named for the Phoenician city of Tyre — required thousands of murex shellfish to produce a few grams of dye. The process was laborious, the smell was reportedly unbearable, and the result was worth more than its weight in gold.

Naturally, this made it the color of emperors. Roman law eventually restricted the deepest purples to the imperial household; to be "born to the purple" was to be born to power because almost no one could afford to prove otherwise. This is the first lesson the painters and the priests and eventually the marketers all learned: scarcity is what gives a color its voice.

The Color of the Sacred

Fast-forward to the Renaissance, and the same logic reappears in a different pigment. Ultramarine — the deep, luminous blue of countless altarpieces — was ground from lapis lazuli, a stone mined almost exclusively in the mountains of what is now Afghanistan and carried thousands of miles to the workshops of Europe. Ounce for ounce, it cost more than gold.

Because it was so precious, painters reserved it for the most sacred subject available: the robe of the Virgin Mary. The blue wasn't merely decorative. It was an act of devotion measured in money, and patrons knew exactly what they were paying for. Renaissance contracts sometimes specified the grade of ultramarine a painter was obliged to use, the way you might specify a material in a building spec today. Here was a color that signaled holiness, wealth, and taste all at once — three things every brand still tries to communicate, and rarely manages in a single stroke.

When Color Became a Commodity

For most of human history, color was a luxury good. Then, in 1856, an eighteen-year-old chemistry student named William Perkin changed everything by accident. Trying to synthesize a cure for malaria, he produced instead a vivid purple residue that stained silk beautifully and refused to wash out. He had stumbled onto mauveine — the first synthetic dye.

The consequences were enormous. Purple, the color that had been gatekept by emperors for two thousand years, could suddenly be manufactured in a factory and worn by anyone with a few coins. "Mauve mania" swept fashionable Europe, and a flood of synthetic colors followed — bright, cheap, and endlessly reproducible. The murex snail and the lapis mine were finished. Within a generation, any color you wanted was available to anyone who wanted it.

When color became cheap, its power to persuade did not vanish, it simply migrated. If anyone can own the color, the only thing left worth owning is what the color means. That migration is precisely the gap that modern branding rushed in to fill.

The Color Gets a Lawyer

Today, colors cannot be owned by simply owning the production method, like for the Tyrian purple. Instead, companies began trying to own it by reputation and by law.

Consider Tiffany & Co., whose robin's-egg blue is so tightly controlled it exists as a private, trademark-protected Pantone shade nicknamed "1837 Blue," after the year the company was founded. The box is doing the same work the murex dye once did: announcing value before a single word is exchanged.

Or consider Cadbury, which has wrapped its chocolate in a particular purple since around 1914, reportedly as a tribute to Queen Victoria. Cadbury filed to trademark that exact shade for chocolate, and what followed was one of the longest and most revealing color disputes in commercial history. A UK court ruled that Cadbury could protect the shade for its chocolate bars, but did not hand Cadbury ownership of this specific purple, it merely allowed the company to stop a direct competitor from using a confusingly similar shade on rival chocolate.

It is often said that Coca-Cola invented the red-suited Santa Claus to match its branding. It did not: a red-clad, white-bearded Santa was already well established in American culture, shaped over decades by illustrators like Thomas Nast. What Coca-Cola did was standardize that image so completely and distribute it so widely that was the only red suit anyone would remember. 

The lesson here is that you cannot really own a color anymore. You can only own the association of what it means in one narrow corner of the market.

The Playbook for your Brand

Tyrian purple, ultramarine, mauveine, Tiffany blue, Cadbury purple, Coca-Cola red — it is the same story told in different centuries. Color has always been a contest over meaning, and meaning has always been worth fighting for. The snail-dyers and the Renaissance masters understood instinctively what every brand strategist eventually relearns: a color is never just a color. It carries status, devotion, memory, and money, and it does so faster than language ever could.

For anyone building a brand, that history is the brief to follow. The most valuable brand color was never the prettiest one: it is the one you can make mean something, and then have the conviction to defend, the way emperors guarded their purple and painters hoarded their blue.

Need help building your brand? Get in touch!