According to the query of official website, durian is relatively green when it is dry and ripe, and very yellow durian is colored, so dried durian is green because it is ripe.

Dried durian thorns are thin and dense, the gaps between thorns are turquoise, and the thorns are greenish brown or brown. The tips of the left and right rows of thorns at the junction of the ovary are bent to the outside respectively.