CC Ādi 3.57

deha-kāntye haya teṅho akṛṣṇa-varaṇa
akṛṣṇa-varaṇe kahe pīta-varaṇa
deha-kāntye — in the luster of the body; haya — is; teṅho — He; akṛṣṇa — not black; varaṇa — the color; akṛṣṇa-varaṇe — by a color that is not blackish; kahe — one means; pīta — yellow; varaṇa — the color.
His complexion is certainly not blackish. Indeed, His not being blackish indicates that His complexion is yellow.