It looks complete as is but if you needed or wanted the extra width and length Id' pick one color and then black binding.If you went with another print you would distract form what is a beautiful quilt. And I wouldn't use denim on the back it will be a bugger to quilt through. I did one quilt with denim and never again. You can hardly turn over!!!

I totally agree with JCL of Fl. I wouldn't use denim on the back either. I would opt to using a dark cotton, or if you wanted the denim look maybe a chambray.
I just finished a frayed denim and cotton quilt, that could be reversible, with every other square denim for a friend's 80th birthday. It was a real bugger to sew through and to finish. I had made a denim pineapple pattern quilt about six yrs. ago for my son and had really forgotten just how hard it was sewing on the denim, especially the denim that Levis uses. Believe me both quilts are really heavy and difficult to work with. My daughter likes my sons quilt because in the winter she says she stays warm, because she doesn't really move around and get on the cold side of the bed. We have extremely mild winters here in this part of Tx. My son doesn't like it because it is too heavy to sleep under.

what is the name of this quilt pattern. It is fabulous! And your work is stunning.

This is very beautiful. I will leave it as it is, but please show us what you did in the end.

HOW CLEVER!

Very beautiful. Please show pics when completed.

Wonderful quilt!!! Fabulous work!!

Stunning!

I love your quilt the way it is, my type of colors.
If I HAD to add, I'd do a candy stripe border of the leftovers.
Good Luck
It's BEAUTIFUL

I like the bright green for a boarder. God bless. Penny