Quran 55:37 from Surah Ar-Rahmaan on Divine Marvels.
فَإِذَا ٱنشَقَّتِ ٱلسَّمَآءُ فَكَانَتۡ وَرۡدَةٗ كَٱلدِّهَانِ
English translation: Then when is split the heaven and it becomes rose-colored like murky oil
Transliteration: fa-idha inshaqqati al-samau fakanat wardatan kal-dihani