When I was a kid, pretty much the only colors of cross-stitch fabric you could buy where I lived were white and cream (or what's called Ivory in the picture above). I don't even remember black Aida fabric being around, though I'm sure you could buy it at a crafts store or specialty shop.
Choosing Your First Cross Stitch Project > Tips for Beginners
Choosing Your First Cross Stitch Project > Tips for Beginners
How to pick fabric for cross stitch - Linen, evenweave, or Aida - Stitched Modern
How to pick fabric for cross stitch - Linen, evenweave, or Aida - Stitched Modern
Finding the Right Cross Stitch Fabric – Okayest Crafter
Finding the Right Cross Stitch Fabric – Okayest Crafter
Cross Stitch Fabrics: A Guide to Choosing the Perfect Fabric for Your Project - Little Lion Stitchery
Fabric Basics for Cross Stitching
Floral bouquet B2370L Counted Cross-Stitch Kit — Wizardi