This emoji is often used to mean 'Be careful' or 'Pay attention.' It's effective when you want to convey a softer sense of warning than the red danger signal.

Recently, it has gained a new meaning due to the influence of word puzzle games like 'Wordle.' Just as it means 'the letter is correct but in the wrong spot' in the game, it's also used to express nuances like 'almost right, but not quite' or 'there's a possibility.'