Red is gray and yellow white
And we decide which is right
And which is an illusion
The Moody Blues - "Nights In White Satin"
My niece Hannah showed me this optical illusion a while back, but I forgot about it until J-Walk mentioned it in his blog recently. Are you ready?
The squares marked A and B are the same shade of gray.
Here is the proof, and if that still doesn't convince you, here are some more ways to try and convince yourself that your eyes are lying.
Here's a few more optical illusions to keep your peepers confused.