Use Sunflowers as the Base
Place the largest flowers lower on the wall.
They can appear to grow from behind a dresser, bed, or reading corner.
Add Butterflies Above
Arrange butterflies above and beside the flowers.
Use fewer butterflies than flowers when the sunflower group is already detailed.
Coordinate Yellow
Repeat yellow in one small accessory, such as a cushion, blanket, or storage basket.
Do not add yellow to every item in the room.
Add Green Leaves
Green connects the flowers and butterflies.
Keep large leaves close to the sunflower group rather than scattering them across the full wall.
Use Neutral Backgrounds
White, cream, beige, pale wood, and gray help the yellow remain bright.
Busy floral curtains or bedding may compete with the decal.
Preserve a Focal Area
Keep most of the design on one wall section.
A concentrated scene usually feels more intentional than flowers spread across every wall.
Conclusion
Use sunflowers as the lower focal feature and butterflies as lighter upper accents. Neutral furniture and limited yellow repetition will keep the nursery bright without becoming overwhelming.