Musannaf Ibn Abi Shayba 16:497

Abu Bakr narrated to us, he said: Ishaq bin Sulayman al-Razi narrated to us, from Salama bin Bakht, who said: I saw Abu Ja’far wearing saffron-dyed garments, or a saffron-dyed garment, and I saw him wearing a shirt stained with khaluq (a type of perfume containing saffron).