Verses with the word black in the New Testament (3 verses):

Matthew 5:36
Neither shalt thou swear by thy head, because thou canst not make one hair white or black.

Revelation 6:5
And when he had opened the third seal, I heard the third beast say, Come and see. And I beheld, and lo a black horse; and he that sat on him had a pair of balances in his hand.

Revelation 6:12
And I beheld when he had opened the sixth seal, and, lo, there was a great earthquake; and the sun became black as sackcloth of hair, and the moon became as blood;