Sunan Abi Dawud 4064
سنن أبي داود#4064SahihNarrated Zayd ibn Aslam: Ibn Umar used to dye his beard with yellow colour so much so that his clothes were filled (dyed) with yellowness. He was asked: Why do you dye with yellow colour? He replied: I saw the Messenger of Allah (ﷺ) dyeing with yellow colour, and nothing was dearer to him than it. He would dye all his clothes with it, even his turban
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih Isnaad
Muhammad Muhyi Al-Din Abdul HamidSahih Isnaad
Zubair Ali ZaiIsnaad Sahih
In-book reference: 34:45