Nahj al-Balāgha

Hadith 2256
mourning-condolenceimam-aliahl-al-bayt
الْخِضَابُ زِينَةٌ، وَنَحْنُ قَوْمٌ فِي مُصِيبَةٍ!
Dye is a way of adornment while we are in a state of grief.
Source: al-Sharīf al-Raḍī