What is Chinese ideological concept on colors?

"Paint cloying of colour. The east is green, the self is red, the west is white, the north is black... The position of mixed four times and five colors to the chapter, that is clever. After drawing a line, you get work." It not only points out that the "five colors" are composed of blue, red, white, black and yellow, but also includes the dark color of "the mystery of heaven". There are six colors in total, and it also explains the rich connotation of colors. Heaven and earth, east, west, north and south are represented by different colors, with a symbol of orientation.