From the aspect of the Shekhinah, it is called qarnei parah ֟∞‘horns of a cow’, from the aspect of the ox: (Deut. 33:17)... and the horns of the re-eim are his horn... and they are the first and second messiah: Yod י and Vav ו, the First and Second Temples, Hei-Hei ה־ה.
And the Shekhinah takes a robe of red fire, and is coloured by it, and She is called ‘red’.
(Num. 19:2)... a perfectly red cow... Red, certainly, from the aspect of Gevurah, perfectly (te-mimah), from the aspect of He of whom it is stated: (Gen. 17:1)... walk before Me and be perfect (tamim).