Praise be to Allah,
Ismaa’eel ibn Ibraaheem narrated to us from ‘Abdul-‘Azeez ibn Suhayb from Anas ibn Maalik said,
”The Prophet of Allah (PBUH) forbade men to dye [their clothes or hair] with saffron.”
(Musnad Ahmad, Vol. 3, p. 101. The isnaad of this hadeeth is Saheeh. according to the conditions set by al-Bukhaaree and Muslim.)
Source:
Thulaathiyyaat Musnad Ahmad ibn Hanbal (may Allah have mercy on him)
Reports of Imaam Ahmad that have only three narrators between him and the Prophet, peace, and blessings be upon him.
Shaykh Muhammad ibn Ahmad ibn Saalim as–Saffaareenee al–Hanbalee ~(1114 –1188 AH)