James,
Hello and welcome to this forum! Please search for Priest Kangaroo for more information about this subject here.
Given the short time and lack of resources available during the conversion, I am pretty sure the Priests were not repainted, and remained US Olive Drab. Ref.
http://www.1cacr.org/hist.html
Also see
http://web.inter.nl.net/users/spoels...4/apckang2.htm
Regards,
Hanno