The green and blue stripes in this image are actually the same color. Open it in Paint and check.
Crazy Illusion
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July 10, 2009 at 11:53 am
I just checked in GIMP and they are not the same color. Have I just been trolled?
July 10, 2009 at 12:09 pm
They’re damn close. Try sampling in the center of the widest spots. I took samples (Firefox Colorzilla add-on) on the bottom of the picture,
R:0 G:255 B:150.
Actually, check this for proof:
yfrog.com/baillusionproofj
July 10, 2009 at 1:00 pm
They are the same color. I screwed around with it a ton, and if they’re not exactly the same in all places, they’re close enough that it shouldn’t matter.
July 10, 2009 at 1:10 pm
it’s the orange and violet lines that fuck with you
July 10, 2009 at 9:38 pm
Boggles the mind. It hurts just to look at it.
July 10, 2009 at 4:36 pm
Maybe most people have bad eyesight, but both look green to me. Perhaps not quite the same shade of green, but it’s CLEARLY not blue. Don’t see how anyone could mistake it for blue.
July 16, 2009 at 2:35 pm
They definitely look different to me…
July 10, 2009 at 5:32 pm
I’ve checked on corel draw. They are the same colour. Now excuse me, i need to mop my brains of the floor
July 10, 2009 at 10:12 pm
It is because your brain seeks contrast over accuracy. Thus, it each optic neuron samples the experience of the neurons right next to it, and alters its’ output so that the contrast is highlighted. Another experiment you can do is draw a series of black boxes set in continuous lines of white (so like a city map where the blocks are black and the streets that surround them are white) If you stare at the intersections long enough, you will begin to see darkening in the intersection, because the light-dark sensing optic neurons (rods or cones? neuroscience was a long time ago) are sampling from their neighbor neurons, which are picking up the image of the dark spots nearby.
Ugh, that was hard to explain (if I did at all). Someone with more time and google savvy can find a link to someone who’s taught this, instead of simply learned it ten years ago.
July 11, 2009 at 12:47 am
Yes. That vision chapter of my Psych of Perception class was rather trying, but pretty damned interesting. My friend sent me a link explaining this image a few days ago: blogs.discovermagazine.com/badastronomy/2009/06/24/the-blue-and-the-green/
July 11, 2009 at 6:39 am
Just zoom in and you’ll see…
July 16, 2009 at 2:35 pm
This is unpossible…
October 7, 2009 at 9:47 pm
there are blue and green stripes?!?!