A and B are the same shade of gray

Box A and B are EXACTLY the same colour…full stop!

No….you are wrong…they are! Proof

Obviously this is a one off and just a silly optical illusion…..everything else I know is right though….right?

hhhmmm makes you think………..

Full Link:

http://web.mit.edu/persci/people/adelson/checkershadow_illusion.html