At an intersection, the traffic light turns red. Cars stop. When it turns blue, they start moving.Red means stop, blue means ...

There’s just something about red. Bold, fiery, commanding — red knows how to catch your attention. Accordingly, you might not be surprised to learn all the powerful concepts the color can represent.

Abstract painter Josef Albers once said, “If one says ‘red’—the name of color—and there are 50 people listening, it can be expected that there will be 50 reds in their minds. And one can be sure that ...