The Oxford Thesaurus An A-Z Dictionary of Synonyms - pink° n.

1) in the pink. at one's best, healthy, hearty, in the best of health, in top form, in good shape, Colloq US up: I saw Rob the other day, and he's in the pink. --adj. 2) rosy, rose, rose-coloured, pinkish, flesh-colour(ed) , salmon(-colour(ed) ) : The designer suggests pink curtains for the bedroom.