Sahih Muslim
Sahih Muslim 2102 b
It Is Recommended To Dye White Hair With Yellow Or Red Dye, But Black Dye Is Haram
Arabic hadith text
وَحَدَّثَنِي أَبُو الطَّاهِرِ، أَخْبَرَنَا عَبْدُ اللَّهِ بْنُ وَهْبٍ، عَنِ ابْنِ جُرَيْجٍ، عَنْ أَبِي الزُّبَيْرِ،
عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، قَالَ أُتِيَ بِأَبِي قُحَافَةَ يَوْمَ فَتْحِ مَكَّةَ وَرَأْسُهُ وَلِحْيَتُهُ كَالثَّغَامَةِ بَيَاضًا
فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم "غَيِّرُوا هَذَا بِشَىْءٍ وَاجْتَنِبُوا السَّوَادَ "
Translation
Jabir b. 'Abdullah reported that Abu Qubafa was led (to the andience of the Holy Prophet) on the day of the Conquest of Mecca and his head and beard were white like hyssop, whereupon Allah's Messenger (ﷺ) said
Change it with something but avoid black.