In the first chariot were red horses; and in the second chariot black horses;
Zechariah 6:6The black horses which are therein go forth into the north country; and the white go forth after them; and the grisled go forth toward the south country.
Revelation 6:5And 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.