Matsya Purana 248.32

248.32

śeṣamātmānamālokya viśeṣayasi tvaṃ punaḥ.
yugāntāgnāvalīḍheṣu sarvabhūteṣu kiñcana .. 248.33 ..

You assume white appearance during Satayuga, like champaka during Treta and red in Dwâpara, and black in Kaliyuga, and you get discoloured and pale in the evening of the yugas and the Dharmas also get pale. You are shining, you are walking, giving heat protecting trying, becoming angry, getting fame, illumining giving rains, laughing, remaining quiet, waking, and annihilating all the beings at the end of a yuga.—29-32 perity, etc., to all the beings, you are Ananta, for the Devas, Brahmâ, etc., and sages do not find your end.—35-38