There is no yellow in the circle below Posted on 2021/09/10 by Carl Robitaille Another fascinating mind-bending illusion. There is no yellow in the circle below (!). Instead, our brain very confidently fills the gap of the colour scheme.by @AkiyoshiKitaoka pic.twitter.com/U9GNV0vUqX— Lionel Page (@page_eco) July 31, 2021