ENOfficial
Abud Darda’ reported God’s messenger as saying, “The best thing in which to visit God in your graves and in your mosques is white." Ibn Majah transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْ أَبِي الدَّرْدَاءِ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «إِنَّ أَحْسَنَ مَا زُرْتُمُ اللَّهَ فِي قُبُورِكُمْ وَمَسَاجِدِكُمُ الْبَيَاضُ» . رَوَاهُ ابْن مَاجَه
sunnah.com