What Is the Least Used Color on Flags?

With so many different color options for flags these days, you’ve probably wondered what the least used is. After all, there are a finite amount of colors, so it would only make sense that some are employed less than others.

In this post, we’ll reveal the least-used flag color and explain the historical reason why it’s so seldom displayed.

The Least-Used Color

Most flag experts and aficionados agree that purple is the least-used color on flags around the globe.

Interestingly, there is a definitive historical reason why purple is so uncommon, especially on national flags. Rather than being an aesthetic choice, it boils down to simple practicality.

The Reason Why

Back when many of today’s flags were being created, purple was known as a color of nobility. It achieved this perception due to the costly and labor-intensive process of making purple dye. This also made it too expensive for items intended for mass production.

The reason purple dye used to demand such a high price is that it was sourced from a particular type of sea snail found only in a specific region of the Mediterranean.

By some accounts, it took approximately 120 pounds of these snails to produce a single gram of purple dye powder! So, in addition to the source material being scarce, the process itself was arduous and required collaboration between many skilled workers.

Is the Process Still the Same?

In the 1800s, an industrious British university student discovered a method for making synthetic purple dye.

This eureka moment gave people the ability to reproduce the purple hues without the intensive process that initially fostered its reputation. That’s why, following this new invention, the color purple started appearing in some national flags and became more prevalent in mass-produced garments.

Despite this invention, purple remains the least-used color in flag designs worldwide.

Perhaps it has something to do with our collective cultural sensibilities. It may also be due to the fact that many well-known flag designs haven’t changed since the purple dye was a forbiddingly expensive rarity.

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