Narrated Samurah bin Jundab:
"The Messenger of Allah (ﷺ) said: 'Wear white, for indeed it is very pure and cleaner, and shroud your dead in it.'" (DE)
English reference (DE): Vol. 5, Book 41, Hadith 2810 (DE)
Arabic reference (DE): Book 43, Hadith 3040 (DE)