Re: coverage to alpha

[Alexei Podtelezhnikov]

> Looking at White's illusion, it is clear that the same gray, depending
> on its context, is creating different color perceptions. (There are many
> other illusions, I just picked that one because its manifestation seems
> to be universal, it is rather brutal, and is a scale that does not
> involve pixels).

You can perform White's illusion with black, white, and gray pieces of
paper. Therefore, the computer screen faithfully reproduces reality.
You are supposed to see this illusion. It is perfectly normal. There
is nothing to fix inside the computer.