Mahabharata 12.270.10
तथा कर्मफलैर्देही रञ्जितस्तमसावृतःविवर्णो वर्णमाश्रित्य देहेषु परिवर्तते
tathā karmaphalairdehī rañjitastamasāvṛtaḥvivarṇo varṇamāśritya deheṣu parivartate
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book