What are five-color porcelain and plain three-color?

The pure glazed five-color porcelain of the Ming Dynasty, generally including red, green, yellow, brown, purple colors, mostly red. In fact, where there are red color and other three or more colors of colored porcelain, although not enough five colors, also called five-color; no red color, it is called plain three-color. In ancient China, marriage, birthday celebrations, said meat, generally with red, red and green to symbolize the festivities. Funeral and other so-called vegetarian affairs, shall not use red, so vegetarian three-color can also be developed. Vegetarian three-color porcelain development, for colored porcelain process is also a new attempt.