A colour is in the answer 6)A harbour for the unblemished maybe (10) 11)Sounds like a franciscan policeman (10,5) 21)Some music for 2001: A space odyssey (4,6,5) 27)Len gone forth enriched kew (anagram) ( 3,8,2,5,5,) 36)Hoodies had better not shop here (9)