The Collaborative International Dictionary of English v.0.48:
Carroty \Car"rot*y\, a. Like a carrot in color or in taste; -- an epithet given to reddish yellow hair, etc. [1913 Webster]WordNet (r) 3.0 (2006):
carroty adj 1: resembling the bright orange of the root of the carrot plant; "a boy with carroty hair"