luridness in WordNet English dictionary

1. unnatural lack of color in the skin (as from bruising or sickness or emotional distress)
   lividness  lividity  luridness  paleness  pallidness  pallor  wanness  achromasia 
   
2. the quality of being ghastly
   ghastliness  grimness  gruesomeness  luridness 
   
3. the journalistic use of subject matter that appeals to vulgar tastes
   "the tabloids relied on sensationalism to maintain their circulation"
   sensationalism  luridness 
   

luridness in English Wiktionary