You betcha. Once I was going to buy fabric for a quilt class. We didn't know what the quilt was going to look like, only that we needed to bring a light, a medium and a dark fabric. My plan the whole time was to bring a deep blue, medium green and lighter purple (my favorite colors). When I was at the store, for some reason, a bright yellow kept saying 'make me the light one', so I did. Turns out my deep blue, medium green and light yellow were the same colors the instructor had used in her demo quilt! And I loved the way mine turned out.