Toned paper

from The Collaborative International Dictionary of English v.0.48

Toned \Toned\, a.
   Having (such) a tone; -- chiefly used in composition; as,
   high-toned; sweet-toned.
   [1913 Webster]

   {Toned paper}, paper having a slight tint, in distinction
      from paper which is quite white.
      [1913 Webster]