Today, many blues are created with modern synthetic pigments or optical effects. The famous
photograph that went viral in 2015 not only shows that blue can still fascinate — it also highlights that colour is just as much a product of our perception as it is of certain wavelengths of light.by important environmental factors in our lives. An ecological explanation for humans' common preference for blue is that it is the colour of clear sky and bodies of clean water, which are signs of good conditions.
But when we looked at flowers that need to attract bees and other insects to move their pollen around, we started to see some blue.blue flowers remain relatively rare , which suggests it is difficult for plants to produce such colours and may be a valuable marker of plant-pollinator fitness in an environment.
Global flower colour frequency for human visual perception shows when considering animal pollinated species less than 10% are blue , and for wind pollinated flowers almost none are observed to be blue .
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