Garudapurana 1.235.40

1.235.40

tamo rajastathā sattvaṃ maṇḍalatritayaṃ kramāt /
kṛṣṇaraktasitaṃ tasminpuruṣaṃ jīvasaṃjñitam //

tamas, rajas, and sattva, the triple circle in succession,
black, red, and white; within that, the Puruṣa termed the individual soul;