I love grey for a nursery. You can switch out the accessories and accents for each baby. This is like what I wanna do for my next baby gray and chevrons and then just choose another color to be a pop depending on the gender
Gray Chevron Receiving Blanket | Liz and Roo Fine Baby Bedding. This blanket is adorable and modern for a gender neutral nursery. Coordinates with a gray elephants rail cover, gray and white polka dot crib sheet, and a Gigi crib skirt.