Totally weird... even checked it out in paint. They're the same. Cool illusion!! 2 thumbs up!

Yea this one is pretty neat. I even took it into Photoshop to have a look for myself and it came out just like this one did. Good Job!!!!!

I couldn't believe that those two squares were the same color until I saw the demonstration. I'm amazed!

http://www.purveslab.net/main/

Dale Purves deserves credits for this. It's about how your brain uses visual cues (like shading and contrast) to "adjust" perception. It's proof you shouldn't always trust what you see ;). I found his site some time ago and his work has always amazed me! You can find more of his work at purveslab.

OH...MY...GOD....

Respect, im in shock

I know I've seen this somewhere...

This is so hard to believe because one looks brown and the other looks orange! Love this Vurdlak ;)

ok maybe i dont get this one check'ed it out in paint and still the same one brown one yellowy type brown ?

You've posted this before...

based on what these guys are sayin, in need better eyes

Huh, Thats really strange...but interesting. It's crazy how our eyes play illusions on us.

WOW! I checked it out too...just because i had to see it for myself to believe it. Thats so odd.

i had to check this one out for myself using paint... damn, thats impressive

woah. i wonder how many other tricks my brain is playing on me :(

the yellow in the shade doesn't look very yellow....>_>

I know exactly where that guy's tattoo shop is... I drive by it all the time.

cool illusion...

but...

OMG everyone it's photoshopped

OH MA GAWD iz no' real

no lol i really like this one

I bow to the creator of this illusion.... It looks so simple at first glance. I didn't believe it myself until I took it into paint and messed around with it. They really are the same color. Completely amazing how our mind is tricked by the shading in this illusion..

Je n'y crois toujours pas...

I'm with Hells-Fury on this one. I checked it out , and they ARE different colours!

HOW THE HECK DOES THAT WORK?

i must have very good eyes cos they both already look brown to me.

Its simple really...the computer merely alters the exact color with the shading...kind of like the way gamma works...the original color is the same, but its just darkened, or lightened to suit the "look" the user is trying to create.

I have this illusion in an optical illusion book. I've done the "test" and it is true: They're the exact same color! It is FREAKY when you see it happen!

"i must have very good eyes cos they both already look brown to me."

This has nothing to do with how good your eyes are, but how your brains work.