Eye wonder how you'll do. Celestial Cities Coastal Decorative Flora Golden Hour Magical Night Scenes Still Life Wildlife Folder: About. What a fascinating artcile and a great development in the understanding of synesthesia. “The little stones jump out at me with oranges, yellows, greens, blues and pinks … YOU ARE NOT A TETRACHROMAT, AND THIS GRAPHIC IS … They’ll make sure nothing is wrong. Firstly, you can’t diagnose tetrachromacy on a computer screen AT ALL because computer screens are made up of combinations of only three different colors of light. tetrachromacy test at home Your Ultimate Astrology Astrocartography Overview on where to live, work and much more. However, unlike those who are colour-blind, the cone types belonging to a tetrachromat function just fine. Human tetrachromacy is the purely theoretical notion that a woman might, through a rare mutation on one of her two X chromosomes, end up having four different types of cones in her retina instead of the usual three, and therefore be uncannily sensitive to differences in color. Origins: On 28 February 2015, a fake online test for Tetrachromacy (a rare condition of having four cone cells in the eye) went viral on the social media site LinkedIn. The test, which was posted just a few days after the Internet became obsessed identifying the color of a dress, asked viewers to count the number of colors in an image.