Positive keywords include protection and comfort, strong, contained, formal, sophisticated, seductive, mysterious, endings & beginnings.
Negative keywords include aloof, depressing and pessimistic, secretive and withholding, conservative and serious, power & control, sadness and negativity.
Formal, dignified and sophisticated: As in the little black dress and the formal dinner suit.
Aloof: Black sets itself aside from others with its heavy and intense energy. It keeps others at arm's length.
Depressing: Black can close us to the positive aspects of life, forcing us to look at our disappointments and the black or negative aspects of our life. It can create a fear of the future.
Pessimistic: Too much black encourages us to look at the negative side of life.