Here's a useful starting point:
http://www.modelscale.cn/html/news/20080126/105.html
albeit for 1/72-sized figures, and here are some examples of Fallschirmjager jump suit/ smock camo patterns/ colours:
http://www.atthefront.com/g_uni_luft.htm
Personally, I wouldn't try to make them look identical. First, you'll never do it. Second, each garment was made from several differnt pieces of cloth, so the pattern would vary from one garment to another anyway.
Cheers,
Chris.
Cute and cuddly, boys, cute and cuddly!