60s Style

"It's up, up, up for the modern city of 1963 with the worlds jet-setters heading to adventurous Auckland for sun, sea, and relaxation." 

Now THAT'S An Optical Illusion

Ready ... according to the Dark Roasted Blend blog squares A and B are the same colour!
And even though the proof is right there ... naaaah ... are they?

And the Dark Roasted Blend blog post has another 11 equally crazy mind fucks