CC Adi-lila 03.039 - SB 11.05.27
Srimad-Bhagavatam
SB Cantos 10.14 to 12 (Translations Only)
SB 11.5.27, Translation:
In Dvāpara-yuga the Supreme Personality of Godhead appears with a dark blue complexion, wearing yellow garments. The Lord's transcendental body is marked in this incarnation with Śrīvatsa and other distinctive ornaments, and He manifests His personal weapons.
Sri Caitanya-caritamrta
CC Adi-lila
CC Adi 3.39, Translation and Purport:
"In the Dvāpara-yuga the Personality of Godhead appears in a blackish hue. He is dressed in yellow, He holds His own weapons, and He is decorated with the Kaustubha jewel and marks of Śrīvatsa. This is how His symptoms are described."
This is a verse from Śrīmad-Bhāgavatam (11.5.27), spoken by Saint Karabhājana, one of the nine royal mystics who explained to King Nimi the different features of the Lord in different ages.