This culture is rastafarianism. The name is rooted from Jah Ras Tafari, an emperor in Jamaica who influenced his people in the truest sense. Up until this time, the Rastafarians or Rastas (people who believe in rastafarianism) advocate the colors: red, green and gold. Red symbolizes blood that has been shed by the martyrs in the history of the Rastas; Green, for nature, beauty and vegetation of the promised land; gold, for wealth of the homeland.
It is good to be updated with the latest trends of the town but it will always be much better to be equipped with the wisdom expected of you to have especially if you claim that you are a fan of such trends.