The white hat is the head of science and information, the red hat is there like your heart, emotions. For the black hat, it's like imagine the robes of a judge to remind you of judgment. The yellow hat is very optimistic, sunny side of situations. And the green hat is creativity, like green growth of plants and such. Finally, what is the blue hat? That is the managing hat,. It is the one that kind of rules the other ones. You know, the overlooking sky that looks down on everything else.