'Black' in the Bible

Let me go through all your flock today, taking out from among them all the sheep which are marked or coloured or black, and all the marked or coloured goats: these will be my payment.

And so you will be able to put my honour to the test in time to come; if you see among my flocks any goats which are not marked or coloured, or any sheep which is not black, you may take me for a thief.

So that day he took all the he-goats which were banded or coloured, and all the she-goats which were marked or coloured or had white marks, and all the black sheep, and gave them into the care of his sons;