Surah Ar-Rahman (The Most Compassionate), Verse 37

فَاِذَا انْشَقَّتِ السَّمَآءُ فَكَانَتْ وَرْدَةً كَالدِّهَانِ ۟

Fa-izan shaqqatis samaaa'u fakaanat wardatan kaddihaan

“When the sky is rent asunder, and it becomes red like ointment:”

Quran 55:37 (Yusuf Ali Translation)