Regarding the Brahmin Jānussoṇi 1.4

1.4

Setā sudaṃ assā yuttā honti setālaṅkārā, seto ratho, setaparivāro, setā rasmiyo, setā patodalaṭṭhi, setaṃ chattaṃ, setaṃ uṇhīsaṃ, setāni vatthāni, setā upāhanā, setāya sudaṃ vālabījaniyā bījīyati.

The yoked horses were pure white, as were the ornaments, chariot, upholstery, reins, goad, and canopy. And his turban, robes, sandals were white, as was the chowry fanning him.