The real reason why almost no country has purple in its national flag

Ever noticed how purple is missing from almost every national flag? The reason isn’t aesthetic—it’s historical, expensive, and surprisingly fascinating (Pic credit: Pexels)

• Purple is rare on flags due to its historic expense and difficulty to produce
• Synthetic purple dye became available in 1856, but most flags were already set.
• Dominica and Nicaragua are among the few countries with purple on their flags

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Have you ever noticed the national flags of different countries closely? While it’s easy to spot colours like red, blue, green, yellow, black, and white, almost no country features purple. If you are wondering why, here’s the real reason that will leave you both amused and intrigued.

Historically, these purple dyes weren’t that easy to produce. They were sourced from Murex sea snails and creating even a small amount required thousands of these snails. It was a process that needed heavy labour. This made the colour exceptionally expensive and even a small quantity cost more than the same amount of gold.

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Since it was difficult to produce naturally and an expensive affair, it was worn by the wealthy, including members of the royalty and nobility. For designing a country’s flag, it needed to be produced on a large scale, which wasn’t possible given its cost. Thus, colours that were easily accessible, such as red, blue, green, and white, were chosen for most of the national flags.

However, the course of things changed in 1856, when William Henry Perkin, a British university student, found a way of producing purple synthetically. It brought down the expense and increased its accessibility. However, by then most of the national flags had become popular and prominent.

The very few countries that included purple on their national flag were ones that were adopted much later, like Dominica’s flag which features the ‘Sisserou Parrot’ in purple. Similarly, Nicaragua’s flag includes light purple in the rainbow shown in its central triangle.

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Things have changed considerably since those times. Purple dye is everywhere and it's cheap and easy to produce. The colour can now be spotted on everyday clothes, accessories, and other fashionable items.

While it may be easily available these days, it is still loved for its bold visual appeal. The hue continues to be appreciated by the royalty, worn often on special occasions for its richness.