
Pink: 5 Surprising Facts About the Colour Pink
Pink is a very popular colour and is synonymous with femininity. It's used in home décor, girls' fashion and women's fashion. It's also used in branding, packaging and advertising for everything from food, beauty products and fundraising organisations. And yet you may not know pink as well as you think you do. Here are five facts about the colour pink which may surprise you. Do you know pink as well as you think you do?
4. Pink doesn't appear in the colours of the rainbow, as there is no single wavelength of light that appears pink. Pink requires a mixture of red and purple light colours from opposite ends of the visible spectrum, and opposite sides of the rainbow.
5. Pink is the oldest surviving pigment found on Earth. Scientists recently discovered bright pink pigments that had survived 1.1 billion years underground within rocks. The natural pigments came from ancient algae, whose molecules have survived trapped inside oil shale deposits.

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