Valmiki Ramayana 3.16.14
ज्योत्स्ना तुषार मलिना पौर्णमास्याम् न राजते ।सीता इव च आतप श्यामा लक्ष्यते न तु शोभते॥
jyotsnā tuṣāra malinā paurṇamāsyām na rājate |sītā iva ca ātapa śyāmā lakṣyate na tu śobhate ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book