When your mood ring turns blue, it means you're feeling relaxed and ready to have fun. But what about when it turns black? Understanding mood ring color meanings can help you get the most out of this ...

A new type of finish has allowed Oura to unlock a range of new colors. But what will they cost? Miklu Silvanto, Oura’s chief ...

Whether it’s the 1970s or the early 2000s, mood rings are often associated with a few different time periods. They became very popular in the ‘70s, but the ‘90s and early aughts also evoke memories of ...

The idea behind a mood ring is simple: Wear it on your finger and it will reflect the state of your emotions. But, how does it work? There isn't a crystal ball to peer into to explain it, but crystals ...

Everyone knows about the Green Lantern Corps and their Power Rings, but that is just one of many colors from the DC Universe. For many years, this was just the Green Power Rings, which originated with ...