Silsilah as-Sahihah 3646 — Dajjal: His Appearance and Qualities

It is narrated from Sayyiduna Ubayy bin Ka'b (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) said: "The eye of the Dajjal will be green like glass, and we seek refuge with Allah from the punishment of the grave."