What is the black, yellow and white theory in history?

Blue, red, black, yellow and white are based on the historical five-element theory.

Wood: East: A, B: Green (cyan) color: Qinglong

Kim: West:; White: White tiger.

Fire: South: Ding Bing: Red: Suzaku

Water: North: Ren: Black: Basalt

Earth: Central: Infinite: Yellow: Huang Lin.