Thank you givio for the warning. It's a reminder that I'm too OCD to let someone else pick my fabrics. My fabric store is a short walk away and the prices are very good as well. I will probable have enough neutrals but I going to pick up some more. I'd rather introduce the new ones now than wait until later.
Thank you everyone who suggested links on alternative way to make this block. I was finally able to make the right size square.