Noro's Yukata is 50% silk + 25% Wool + 25% nylon, with 787 yards (720m) per 200g.  The yarn is wound already in the form of a cake and the colorway features the long color runs that Noro is famous for. 

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This is Noro's Yukata in Colorway #19: Kirishima

These are truly the colors of springtime.  It actually reminds me of an Easter egg.  :-)

I see lilac, lime, and pink as the main colors, with some cream and brown and blue as well.