Forget The Dress.  Move over Nailpolish Match. Scientists have developed a black paint, "Vantablack", that is SO dark the human eye can't fully perceive it. This is not some optical illusion, where a small majority of people have a hard time processing the color - this paint makes anything you spray on it look like it's censored for inappropriate content... which is probably why it's not available to us plebs because I would be marking everything with a NSFW blob. The animal sculptures on the Kalamazoo Mall would all look like Wiley Coyote had painted a tunnel only the Road Runner could get through.

Need an example? Check out the video below of a very detailed head suddenly disappearing into the black...