What are the meanings of the different colors on a mood ring?

The meanings of the different colors on most mood rings are:

Red: You are feeling sick

Blue: You are calm and happy

Green: You are feeling envious or jealous

Purple: You are feeling loving and romantic

Amber: Mixed emotions

Yellow: You are feeling upbeat, yet calm

Sky blue: You are feeling average

Black: You are tense, nervous, or angry

This is my mood ring. It's color right now is a mix of blue and green. I am feeling envious and calm.