Quran 2:138 from Surah Al-Baqara on Divine Marvels.
صِبۡغَةَ ٱللَّهِ وَمَنۡ أَحۡسَنُ مِنَ ٱللَّهِ صِبۡغَةٗۖ وَنَحۡنُ لَهُۥ عَٰبِدُونَ
English translation: (The) color (religion) (of) Allah And who (is) better than Allah at coloring And we to Him (are) worshippers
Transliteration: sib'ghata al-lahi waman ahsanu mina al-lahi sib'ghatan wanahnu lahu abiduna