Answer:
The green advent candle represents the shepherds. Usually, two types of advent wreaths are done. One is with the three purple candles and one pink candle with a white candle in the center. The other one has one gold, white, green, and red or purple candle. The gold represents prophecy. The white represents angles. The green represents shepherds and the red represents the wise men. There's a white candle in the center which represents Jesus.