Clashing Color Can Create Good Tension

You've heard designers speak about "creating tension in a room" by adding one unexpected (often totally crazy) element that makes you think "Um, should that be there?"...  It's based on a theory that something--just a little off--can create good tension in a room.  Breaking up the expected pieces and making the room sing.  Can't the same effect be achieved with color?  The color schemes in these rooms (in my opinion) make the spaces much more interesting.  What do you think?

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