Roberta sold out of her light colored batiks and blues first, if that helps.
Personally, I think it's a good idea to have as many colors as you can get. My stash is like this: most to least) blues, purples, blaick&white, multicolor & novelty fabrics, greens, reds, pinks, yellow, brown, beige, white. I have "oriental" prints in a separate category, but I have a LOT of them. Solids also in a separate category.