The Collaborative International Dictionary of English v.0.48:

blue-blindness \blue-blindness\ n.
   inability to distinguish blue and yellow.

   Syn: tritanopia.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

blue-blindness
    n 1: rare form of dichromacy characterized by a lowered
         sensitivity to blue light resulting in an inability to
         distinguish blue and yellow [syn: tritanopia, blue-
         blindness]