We are going to try to keep you in one thread. I'm going to merge the two together.
Well sanded and unsanded can result in different colors.
I suggest wating until the first of the week before getting too concerned.
Two ways to handle it if it still bugs you.
One- wait until it gets a little dirty. Dirt is a great equalizer
Two- Aquamix carries a grout paint. You can even the color out by applying this later.