Can You Guess The True Color Of These Balls?

The Confetti Illusion: David Novick

Just like the gold or blue dress illusion, can you guess the color of these balls? Are they red, green, or blue? This new optical illusion by Professor David Novick from the University of Texas at El Paso plays a trick on your mind: The balls are all of the same color: light-brown. (RGB 255,188,144) Shrinking the image increases the effect:

The reason this illusion works is because our brains not only process colors individually but also within the context of nearby colors.

[Via IFLS]