From: Christopher Whipple (crw@well.com)
Date: Tue Oct 29 2002 - 20:55:56 MST
I did ya one better and used the eye-dropper tool on each square and
then looked at the color values which are indeed identical.
Info on both squares:
RGB: 107,107,107
CMYK: 58,50,49,16
HEX: 6B6B6B
Squinting is a good way to normalize the input. I don't know why... it
just seems to make them look closer to the same shade.
-crw.
On Tuesday, October 29, 2002, at 10:29 PM, ABlainey@aol.com wrote:
> Eliezer S. Yudkowsky wrote:
> > This is the most persistent optical illusion I have EVER encountered.
> >
> >
> http://www.mayeticvillage.com/QuickPlace/project_green/Main.nsf/
> h_Index/6A2397B6F1B3DCB1C1256C4000357CE8/$FILE/
> image001.jpg?OpenElement&1033033489
>
> Amazing!
> I copied the pic into photoshop and cut out the two squares and
> put them side by side. I did find that if you put you hands, one
> either side of the squares. Shuttering out the cylinder and the left
> of the pic. The two squares do start to look different. this suggests
> that the illusion is an artefact of the entire picture. or maybe i'm
> just desperate to convince myself that the squares are different
> shades :o)
>
> Alex
>
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