Sayyidah Umm Salamah (may Allah be pleased with her) said: "Sometimes the Messenger of Allah (peace and blessings be upon him) would dye his upper wrap and his waist-wrapper with saffron or wars (a yellow, fragrant plant), then go out wearing them."
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 20255