Conway pointed to bananas as an example of this phenomenon. Bananas can be a number of colors—green when they’re not yet ripe, brown when we’ve let them sit out for too long. But we label ...

What appears as pure green to me is likely to look a bit yellowish or bluish to you. This is because visual systems vary from person to person. Moreover, an object’s color may appear differently ...

In fact, the human eye sees green better than any color in the spectrum. This, along with many other facts about this earthly color, makes it an essential part of our everyday lives. We see green ...