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.'" (FR)
English reference (FR): Vol. 5, Book 41, Hadith 2810 (FR)
Arabic reference (FR): Book 43, Hadith 3040 (FR)