Lewis & Short

lūrĭdus, a, um, adj. [luror], pale yellow, sallow, wan, ghastly, lurid.

  1. I. Lit.: luridi supra modum pallidi, Paul. ex Fest. p. 120; cf.: luridus, ὠχρός, πέλιος, ἰκτερικός, ὑπώπιος, Gloss. Philox.: luridus Orcus, Hor. C. 3, 4, 74: pallor, Ov. M. 4, 267: dentes, Hor. C. 4, 13, 10: bilis, Sen. Ep. 95; cf.: viden tu illi maculari corpus maculis luridis, *Plaut. Capt. 3, 4, 63: sol, Plin. Ep. 6, 20 fin.: luna, Sen. Med. 790.
  2. II. Transf., that renders pale or ghastly: horror, Ov. M. 14, 198: aconita, id. ib. 1, 147: mors, Sil. 13, 560.