白色最终的颜色黑色最初的色调
[bái sè zuì zhōng de yán sè hēi sè zuì chū de sè diào]
This nickname plays on the symbolism of colors in Chinese culture. White is often associated with completion or purity, and is considered the ultimate end result in some philosophies or art forms. Black represents the origin, the very beginning, which can stand for simplicity and depth. The user probably wants to convey a sense of reaching an ultimate conclusion after experiencing much depth.