One of my favorite "blender" lines is Hopscotch by RJR Fabrics. Here's a link:
https://www.rjrfabrics.com/hopscotch....html?view=all For backgrounds, I like "Deconstructed Dandelions" in vanilla bean, cloud or black.
Edyta Sitar makes some beautiful background fabrics. Laundry Basket Quilts:
https://www.rjrfabrics.com/hopscotch....html?view=all