Musannaf Ibn Abi Shayba 16:818

Abu Bakr narrated to us, he said: Al-Muharibi narrated to us, from Abd al-Malik ibn Umayr, he said: I saw al-Mughirah ibn Shu'bah dyeing [his hair/beard] with yellow. And I saw Jarir ibn Abdullah dyeing [his hair/beard] with yellow and saffron.