3 ms·

I read somewhere that the original green light was blue but green was easier to see at dawn or at dusk or at you or something so they switched

• wodenokoto 8y ago
  The number of myths surrounding this phenomenon are quite numourous. * The character for blue is simpler than the character for green, so it's easier for young school children to read safety text, if we call it blue (heard this from several people) * "It IS blue" (not uncommon either) * It used to be blue (apparently contradictred by TFA)
  • jhanschoo 8y ago
    I read somewhere (and a Google search brings up many articles that supports this) that among societies and languages that makes fewer distinctions between colors than the global educated society, blue and green are among the most frequent to remain undistinguished.
    • Double_a_92 8y ago
      My dad also doesn't really distinguish between blue and green. It's mostly green to him. And he grew up in Italy...
      • watwut 8y ago
        He might just be slightly colorblind. Partial colorblindness is quite common.