2. List of colors of five-element fire: According to the theory of eight characters and five elements, wood fires because the wood is warm, and the fire is hidden in it, so people who belong to five-element fire can safely use the colors of wood, such as light green, dark green and dark brown. Water can put out the fire, because the fire will go out when it meets water, so people who belong to the five elements fire may wish to avoid the colors of the water system, such as royal blue, navy blue, black and so on.