Meaning
A solid brown circle, part of the emoji version 12.0 colour set. It stands for brown, the colour of coffee, chocolate, wood and soil.
It is useful for colour-coded lists and moodboards, earthy or autumn themes, and food talk: “Today’s outfit palette: 🟤 beige and coffee tones” Some use it as a simple stand-in for a coffee bean or a chocolate drop. The square version is 🟫.