The background or color surrounding an object affects the apparent perceived size of an object as this optical illusion shows.The only substitute for good manners is fast reflexes.
Home Gallery of Optical Illusions Optical Illusion Quiz
spc Bd 1 Bd 3
Share This Page

Block Contrast Optical Illusion

Which block is larger?

See Another Random Optical Illusion


Perception is not always reality, as demonstrated in this optical illusion.


Scroll down for the answer and explanation.




They are the same size. Are you surprised?


The background or color surrounding an object affects its perceived size. A partial explanation for this optical illusion is that the framed object seems to grab more attention and therefore seems larger.

Test your Reactions

How fast are your reactions? Click this button to find out.

Suggestions and Comments Link To This Site Send To A Friend Some Related Links Link To Our Site Map

Report A Broken Link To Us Contact Information

Free Optical Illusions

Visual Illusions


Site Map | Terms of Use | Privacy & Security | Contact Us | Purchase Agreement | Send Feedback
Cool Optical Illusion Pictures
© 1996-2005 by All Rights Reserved.