It wasnarrated from Ibn 'Abbas that the Messenger of Allah (ﷺ)said:
"The best of your garments are the white ones, so wear them andshroud your dead in them." (RU)
English reference (RU): Vol. 4, Book 32, Hadith 3566 (RU)
Arabic reference (RU): Book 32, Hadith 3695 (RU)