Originally Posted by sirbruce
Well, I suppose you *could* draw the whole screen with the lightest level of greyscale... but that does seem wasteful, doesn't it? I have no idea. A couple of people think they notice a difference and many don't; maybe it's just our imaginations.
It could be that they made the font a bit heavier. Which would provide more of a contrast due to darkening the foreground rather than lightening the background.