OMG, RGB: A brief history of colour and the way we see it


In the beginning, there was darkness — well, the beginning of the day, that is.    

You wake up in the wee hours of the morning to find that every object in your bedroom is the same shade of black. It’s strange, too, because the last time you checked, your room was filled with a wide array of colours.    

Then, you strike a match, flip a light switch or maybe tap open your smartphone. Suddenly, the room takes on a different character, illuminated by the reddish glow of a flame, the yellow-white hue of a light bulb or the cool blue aura of your phone’s screen.    

The objects in your room look different under each different light source. And that begs the question: Are these objects actually changing colour, or do we just perceive them differently? Read more…

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