European Coatings Journal - 15.10.2020 | WORLD OF COLOUR


The colour blue was not always the blue we know today. With the "ancient Greeks", blue was also once more of a green. This is because at that time there was no word for this colour. Receptor cells in our eye are responsible for colour perception. The so-called cones are located on the retina. The cones that are responsible for blue react most strongly to short-wave light (approx. 430 nm).
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