Source : Webster's Revised Unabridged Dictionary (1913)

Contrast \Con*trast"\, v. i. [imp. & p. p. {Contrasted}; p. pr.
   & vb. n. {Contrasting}.] [F. contraster, LL. contrastare to
   resist, withstand, fr. L. contra + stare to stand. See
   {Stand}.]
   To stand in opposition; to exhibit difference, unlikeness, or
   opposition of qualities.

         The joints which divide the sandstone contrast finely
         with the divisional planes which separate the basalt
         into pillars.                            --Lyell.

Source : WordNet®

contrasting
     adj : strikingly different; tending to contrast; "contrasting (or
           contrastive) colors" [syn: {contrastive}]