The Collaborative International Dictionary of English v.0.48:

Saxon \Sax"on\, a.
   Of or pertaining to the Saxons, their country, or their
   language.
   (b) Anglo-Saxon.
   (c) Of or pertaining to Saxony or its inhabitants.
       [1913 Webster]

   Saxon blue (Dyeing), a deep blue liquid used in dyeing, and
      obtained by dissolving indigo in concentrated sulphuric
      acid. --Brande & C.

   Saxon green (Dyeing), a green color produced by dyeing with
      yellow upon a ground of Saxon blue.
      [1913 Webster]