Valmiki Ramayana 2.91.78
आकाशवर्णप्रतिमान् स्वच्छतोयान् सुखप्लवान् ।नीलवैडूर्य्यवर्णांश्च मृदून् यवससञ्चयान्॥
ākāśavarṇapratimān svacchatoyān sukhaplavān |nīlavaiḍūryyavarṇāṃśca mṛdūn yavasasañcayān ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book