What do the different colors on a mood ring mean?

They mean what mood youre in a red for angry becuase people say when you are angry its like red hot fire so the colors relate to your moods

The answer to your question is When it comes to mood ring colors, red means excited, black means nervous, blue means calm, dark yellow means unsettled, gray means anxious, pink means fearful, orange means daring, brown means restless, bright yellow means imaginative, lavender  means sensual, green means normal and white means frustrated.
Hoped I Helped!