It is perhaps worth pointing out that I observed the same effect in collections of purely synthetic art (such as Fractals). https://www.flickr.com/photos/krazy

It is perhaps worth pointing out that I observed the same effect in collections of purely synthetic art (such as Fractals). https://www.flickr.com/photos/krazydad/3794489938/in/set-72157621965748238 https://www.flickr.com/photos/krazydad/3794489938/in/set-721... While I don't think this rules out light as a possible culprit, it perhaps implies that humans are mimicking the natural world when they are making color choices.