Samurah (May Allah be pleased with him) reported:
Messenger of Allah (ﷺ) said, 'Wear white clothes because they are the purest and they are closest to modesty; and shroud the dead in it."[An- Nasa'i and Al-Hakim]. (ID)
App reference (ID): Book 4, Hadith 2 (ID)
Arabic/English book reference (ID): Book 4, Hadith 780 (ID)