Originally Posted by zozee

Depends what you mean by "lights" and "darks," as those terms are relative. A pale blue is dark compared to white, but light compared to navy. And if you're looking for a light blue, would you reach for a bin of lights or a bin of blues? I sort by color so that I don't have to make decisions about lights and darks. I have a bin called Whites, and it includes several white, creams, and other light neutrals.