blackness
noun
[ ˈblaknəs ]
• the property or quality of being black in colour.
• "it restores grey hair to blackness"
• the fact or state of belonging to any human group having dark-coloured skin.
• "my experiences have made me far more aware of my blackness than ever before"
• a state characterized by despair or depression.
• "there is a little hope amid the blackness of his life"