If you stare in the black spot for a minute, you will notice all of the color fulffs disappear. This is a rich colored version of Vanishing Haze, and works in a same principle as Disappearing Dots Illusion.
Published by James Dean
James is the manager of moillusions.com. He spends his time finding the most popular optical illusions so that YOU keep coming back to your site for more! Check him out on https://plus.google.com/u/1/109932087769818686311/ View all posts by James Dean