[www.socialdailynews.com]

opened it up in photoshop, and it works. seems like it shouldn't....

guess that's why it's called an illusion

Wow ! That IS impressive. I was able to get it optically close only by occluding the rest of the image with my hands. Yep- the brain sees pictures, not pixels.

An oldie, but a goodie.


This one is good too:

[www.johnsadowski.com]

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Quote
clay
http://www.socialdailynews.com/diverse/crazy-illusion.php

opened it up in photoshop, and it works. seems like it shouldn't....

guess that's why it's called an illusion

For those who don't have Photoshop, there is a app in your utilities folder called Digital Color Meter that you can use to take measurements by just moving the cursor over the squares on the web page.

Actually, if you just use cmd-opt-4 and just capture as close as you can to the two squares in question, you can see it. It's still pretty amazing.

The artist Josef Albers did a series of paintings where he made colors look different by their surrounding colors. We had to do this as an assignment in art school with Pantone papers.
The results could be quite amazing.

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And we should consider every day lost on which we have not danced at least once.
—Friedrich Nietzsche
Western Massachusetts

I use that when I teach staffers to learn to trust the info box in Photoshop - not what they see on their monitors.

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“No persons are more frequently wrong, than those who will not admit they are wrong.” -- François de La Rochefoucauld

"Those who cannot accept the past are condemned to revise it." -- Geo. Mathias

The German word for contraceptive is “Schwangerschaftsverhütungsmittel”. By the time you finished saying that, it’s too late

"Perception ain't everything, but it's mighty damn important!"

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Quote
blooz
The artist Josef Albers did a series of paintings where he made colors look different by their surrounding colors. We had to do this as an assignment in art school with Pantone papers.
The results could be quite amazing.

That's what I was going to say... The two boxes above look different because they are surrounded by light colors on the top square, and dark boxes on the lower square. It is a great optical illusion.

Jeff

Quote
clay
http://www.socialdailynews.com/diverse/crazy-illusion.php

Quote
Mike V
http://www.johnsadowski.com/big_spanish_castle.php

Those are really cool. Thank you for sharing.

Ok, that castle is totally cool. I am trying to figure out why the color fades when my eyes move.