Question: when did the colt 45s become the astros
Answer: Houston Astros 2017 Houston Astros season Established in 1962 Team logo Cap insignia Major league affiliations American League ( 2013 -- present ) West Division ( 2013 -- present ) National League ( 1962 -- 2012 ) Central Division ( 1994 -- 2012 ) West Division ( 1969 -- 1993 ) Current uniform Retired numbers 5 7 24 25 32 33 34 40 49 42 Colors Navy blue , orange , white Name Houston Astros ( 1965 -- present ) Houston Colt .