וַיָּ֣סַר בַּיּוֹם֩ הַה֨וּא אֶת־הַתְּיָשִׁ֜ים הָֽעֲקֻדִּ֣ים וְהַטְּלֻאִ֗ים וְאֵ֤ת כָּל־הָֽעִזִּים֙ הַנְּקֻדּ֣וֹת וְהַטְּלֻאֹ֔ת כֹּ֤ל אֲשֶׁר־לָבָן֙ בּ֔וֹ וְכָל־ח֖וּם בַּכְּשָׂבִ֑ים וַיִּתֵּ֖ן בְּיַד־בָּנָֽיו׃
And he removed that day the he-goats that were streaked and spotted, and all the she-goats that were speckled and spotted, every one that had white in it, and all the dark ones among the sheep, and gave them into the hand of his sons.
Read kabbalistic (mystical) interpretation of Genesis 30:35: and classical mystical sources.