There are only a few things guaranteed to make me smile, but Vuillard interiors do the trick. Everyone bends over backward talking about the pattern in Matisse's odalisque paintings, but my vote goes to Eduard Vuillard when it comes to pattern in interior space. I could literally look at these for hours -- the color relationships are so extraordinary, the combination in scale and color of pattern kills me.
Some are tart and sharp:
This one reminds me of the Red House -- assured perfection, relaxed and comfortable:
One day, I will have a room in precisely this color:
And to bed: