I bought a tension shower curtain rod at a local store, but it didn't have a spring inside.  The rod was a beautiful ivory color, but the rod wouldn't stay up on the wall!  The Wayfair Basics 76" Adjustable Shower Curtain Rod has a spring in it, and it stays put on the wall.  The shade is bone.  Bone is a little less interesting than ivory, but just barely.  Bone goes with a lot of colors.  It's somewhat drier-looking than ivory, but, heh, it works.