It might sound like heresy to say that a great painter such as van Gogh had a limited ability to see colors… but a recent exploration by Kazunori Asada and some color vision deficient friends turned up some very interesting new insights. Asada, who has previously written on tools to assist people with color vision deficiencies, was invited to speak at an event for the Hokkaido Color Universal Design Organization (HCUDO). As a way to educate the public about the great diversity of color vision found in our world, the organizers had set up a “Color Vision Experience Room.” Inside, observers were treated to walls of van Gogh paintings illuminated by lights with an optical filter which provided a modified spectrum of light. [Read more...]