Not sure there is any connection, but it is an interesting comparison though.
Adam divided visible grey into 11 scales, from 0 to X.
In Chinese painting, people use water mixing with ink to produce different scales of black. Strictly I cannot tell how many scales of blacks there are, it all depends on what mode you are trying to create in the painting.
Show one example here:
This artist is Wu Guanzhong, famous for his ink painting.