? The water in the nine planets (that is, stars) has clearly marked all colors, namely, one white, two black, three blue, four green, Huang Wu, six white, seven red and eight white nine purple. As we know, red, yellow and blue can be mixed into different colors, three of which are blue and seven are red. In the application of geomantic omen, one white water, two black soil, three green trees, four Lvmu, five loess, six platinum, seven red gold, eight white mud and nine purple fire, among which four Lvmu greens are yellow and blue, that is to say, among the four greens, there are three in Huang Wu, three in nine purple and three in nine purple.
One white, two black, three blue, four green Huang Wu, six white, seven red and eight white nine purple, these are the names of nine planets in Luo Shu, which do not represent colors. These nine stars also have names: a wolf star, two giant stars, three Lu saviors, four satellites, five stars, six Wu Quxing, seven broken stars, eight left auxiliary stars and nine right auxiliary stars. Arrange nine rooms according to Luo Shu. This belongs to the content of geomantic metaphysics.