While mood ring color meanings are totally fascinating to read about and understand, they aren't exactly science. Still, wearing a mood ring just might help you become more in tune with yourself.

Here is a summary color chart culled from a variety of sources: SHADES OF BLACK AND GRAY: Black is seen mostly when the ring is not worn, but can also indicate nervousness, stress, overwork or ...

In 1975, The New York Times ran an article describing the Mood Stone ring sold by Josh Reynolds, who popularised the phenomenon, as a “$45 whimsy that has had hundreds of conspicuous consumers ...