On the Day of the Conquest of Makkah, the Messenger of Allah [SAW] entered (the city) wearing a black turban, and he was not in Ihram.  

أَنَّ رَسُولَ اللَّهِ ﷺ دَخَلَ يَوْمَ فَتْحِ مَكَّةَ وَعَلَيْهِ عِمَامَةٌ سَوْدَاءُ بِغَيْرِ إِحْرَامٍ  

"The Prophet [SAW] entered (Makkah) on the Day of the Conquest wearing a black turban."  

دَخَلَ النَّبِيُّ ﷺ يَوْمَ الْفَتْحِ وَعَلَيْهِ عِمَامَةٌ سَوْدَاءُ