Optical Illusion

I don't get this optical illusion.

The thing is the picture is always in colour until I put my mouse over it. Then it's black and white.

I looked away (could see the pic in the corner of my eye) and move the mouse on and off and it changes when I put the mouse on it.

How long is this supposed to be burnt into your retanas?
 
If A & B are the same, then what is the colour encircled red? :eek:


devilry.jpg
 
It seems some people are more baffled by the instructions that the actual illusion.
Click to expand...

No I am just trying to figure out what I have done wrong.

For me it's the exact opposite of the instructions, when the mouse if off the picture it's in colour. and when the mouse is on the picture it's in black and white. But I don't have to stare at the image for 30 seconds.

To me it dosn't seem like an optical illusion, just looks like a big animated button (chages colour when mouse over)

Not knocking it tho, if I could do it right i'd be impressed, good find
 
R^T said:
No I am just trying to figure out what I have done wrong.

For me it's the exact opposite of the instructions, when the mouse if off the picture it's in colour. and when the mouse is on the picture it's in black and white. But I don't have to stare at the image for 30 seconds.

To me it dosn't seem like an optical illusion, just looks like a big animated button (chages colour when mouse over)

Not knocking it tho, if I could do it right i'd be impressed, good find
Click to expand...
:confused:

Its supposed to be black and white when you do a mouseover. Thats the whole point.

If you stare at the dot for 30 seconds before you do it, it appears to you in normal colour.

/bangs head on desk

William said:
If A & B are the same, then what is the colour encircled red? :eek:
Click to expand...
Its not a colour its a contrast :p
 
William said:
*straw clutching*
Click to expand...

Open the image in photoshop.

Select both squares A and B with the polygon lasso tool.

Create a new layer

Hit Ctrl + Shift + I

Fill the layer with white.

Look at the squares, they are both the same shade. It's the colours that surround the B square that alter our perception.

I was as skeptical as you until I played with the image in photoshop.
 
iCraig said:
Open the image in photoshop.

Select both squares A and B with the polygon lasso tool.

Create a new layer

Hit Ctrl + Shift + I

Fill the layer with white.

Look at the squares, they are both the same shade. It's the colours that surround the B square that alter our perception.

I was as skeptical as you until I played with the image in photoshop.
Click to expand...

I still think it is down to Gilly not shaving.
 
I like this one, same principle as Grrrr's


colorcross3su.jpg








This is the two centre sections isolated

solution.jpg
 
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