This was what we did prior to baby Adler being born.  We painted the walls a dark gray.  Re-purposed and painted an old dresser green to use for a changing table.  Re finished the rocker with a simple coat of white paint.  And to top it all off we made a magnetic chalk board wall behind the crib and trimmed it out to make it pop.  Lastly added a few floating book shelves, a lamp, some accessories and a rug to match the color scheme and we now have a wonderful baby room!