Blue is a relatively rare sight in living things. Green blankets much of the world, yellow and orange frequently pop up in plants and animals, while reds and pinks also find their time to shine. Meanwhile, blue is confined to just a meager selection of flowers, the odd eccentric bird, and a few freaky frogs. However, there exists another color that’s even rarer in the natural world: violet – and we’ll explain why it’s so scarce right here. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

The rarity of colors is all down to physics and evolution. Colors arise from the reflection of specific wavelengths in the electromagnetic spectrum. Shorter wavelengths, like blue , carry higher energy, while longer wavelengths, like red, have lower

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