Colors in pottery are achieved through the use of metals, such as iron, copper, cobalt, chromium, manganese, nickel, uranium, vanadium, selenium, cadmium, gold, silver and platinum.
流條釉明亮，在陶瓷上留下一條條由上而下不規則的釉彩；天目釉色彩拙樸、潤厚；碎瓷釉的膨脹係數與土胚的膨脹係數有一相當的誤差，燒熟後的陶瓷，在冷卻時會留下許多細小美麗的裂痕，破除它原本單調的色澤，使它看起來高貴、美麗。