[hyperpape]

I think this site is doing a binary search, so that you narrow down on a boundary.

It would be much funnier, and also more insightful, if it didn't do this and let you contradict yourself.

[aaronharnly]

Yeah, as I was toggling "blue" / "green" / "blue" / "green" I had the distinct sensation that it might just show me that I was in a region where I couldn't even make a consistent distinction.