CC Antya 15.66

saudāminī pītāmbara,sthira nahe nirantara,
muktā-hāra baka-pāṅti bhāla
indra-dhanu śikhi-pākhā,
upare diyāche dekhā,
āra dhanu vaijayantī-māla
Synonyms: 
saudāminī — lightning; pīta-ambara — the yellow garments; sthira — still; nahe — is not; nirantara — always; muktā-hāra — the necklace of pearls; baka-pāṅti bhāla — like a line of herons; indra-dhanu — the bow of Indra (a rainbow); śikhi-pākhā — the peacock feather; upare — on the head; diyāche dekhā — is seen; āra dhanu — another rainbow; vaijayantī-māla — the vaijayantī garland.
Translation: 
“Kṛṣṇa’s yellow garments look exactly like restless lightning in the sky, and the pearl necklace on His neck appears like a line of herons flying below a cloud. Both the peacock feather on His head and His vaijayantī garland [containing flowers of five colors] resemble rainbows.