[mrlittlejeans]

Check this link out. Pretty interesting illusions. The third one is almost unbelievable. The first two are a pretty good illustration of contrast and what gray screens may do.

 

[ChrisWiggles]

Quote:

The first two are a pretty good illustration of contrast and what gray screens may do.

How so? Grey screens don't create any illusions that I'm aware of, nor any real or perceived change in contrast.