Many photographers eventually notice the same thing. The backdrops they use most often aren't necessarily the most colourful or trend-driven. They're usually the neutral foundations that work reliably across different babies, different setups, and different styling directions.
And there are good reasons for that. A good neutral backdrop is one of the most versatile tools in a newborn studio. It can be paired with smooth fabrics or textured layers. It works with knitted outfits, wraps, rompers, bonnets, and headbands. It can feel soft and minimal or warm and textured depending on how the setup is built. That's why neutral backdrops often become the foundations photographers keep reaching for session after session