This is a confusing color. There is nothing wrong with black in one's aura. Black generally means one is shielding oneself from outside energies.
这是个混乱的颜色。光环里有黑色没什么问题。黑色通常意味着一个人将自己与外界能量隔开。
This can also mean being unbalanced; one is hiding something or keeping secrets.
这也意味着不平衡。此人在隐藏什么,或保守秘密。
A black ring around a child usually indicates some form of abuse, adults who have not dealt with early abuse will carry this black ring till they are healed.