I vote for the blue sashing as it really makes your blocks show more.

Definitely the blue!

I like the blue. It draws out the colors in the blocks. I like all the blocks too. This is really going to be a pretty quilt.

Oh, I definitely like the blue and I am not even a blue fan. But loisf has a point about the cornerstones, do you have enough fabric of one of your pinks to use it for the cornerstones instead?

I think you have your answer within your post, "It makes my heart sing". This is exactly the feeling we hope to have when making a quilt! Listen to your heart! Since you asked for an opinion, I also like the blue sashing in this quilt. As some have said, maybe look for a different color for the corner stones. Yellow would be pretty as would the pink. I don't think tan belongs in this quilt.

Definitely the blue.....

I feel the blue sashing gives the blocks a better frame

My vote is for the blue. Nice scrappy blocks BTW too.

Just love the blue!

Blue for sure!