Invisible wrote:
> There's a well-known illusion where you have a bunch of identical blue 
> squares, each surrounded by a different background, and it makes the 
> blue squares look like they're all different shades of blue (even though 
> they are in fact identical).
> 
> However, for some reason, I can't get this particular illusion to work. 
> Take a look at the attachment. All the blue squares are clearly and 
> obviously the same shade of blue. WTF?
> 
> ------------------------------------------------------------------------
> 
Get rid of the white padding between the squares?
It's possibly too close to the pale blue centres and is giving the brain 
a reference colour.

Have fewer larger squares?

Now experiment to find the maximum resolution of this type of illusion 
that still tricks the brain?

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