Sahih Muslim | Book 24 | Chapter 18

Narrated by Anas b. Malik
Anas b. Malik reported that Allah's Apostle (may peace he upon him) forbade dyeing (one's cloth or hair) in saffron. Hammad said that it pertains to men only.

Narrated by Anas
Anas reported that Allah's Messenger (may peace be upon him) forbade that a person should (wear) clothes dyed in saffron.

Narrated by Jabir
Jabir reported that when Abu Qubafa (father of Abu Bakr) came in the Victory or on the Day of Victory (to the Holy Prophet to pledge his allegiance to him) his head and his beard were white like hyssop. He (the Holy Prophet) commanded or the women were commanded by him that they should change this with something (that the colour of his hair should be changed).
Narrated by Jabir b. 'Abdullah
Jabir b. 'Abdullah reported that Abu Qubafa was led (to the audience 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 (may peace be upon him) said: Change it with something but avoid black.
Narrated by Abu Horaira
Abu Horaira reported Allah's Messenger (may peace be upon him) as saying: The Jews and the Christians do not dye (their hair), so oppose them.