Muncker illusions by Janet Carr Posted on September 5, 2018October 4, 2021 Munker illusions change how your brain perceives colour. Each of these shapes are the same colour, believe it or not. The left heart appears to be red-purple whereas the right one orange, though they are the same red. Share this:TwitterFacebookLinkedInEmailTumblrPocketPrintRedditLike this:Like Loading...