Wendy, your mom's artwork turned into a beautiful fabric and will be stunning as the focus fabric. In looking at it, I can just imagine it going well with various values of violet and red-violet colors, including a small amount of magenta, along with greens and yellow-greens. I know there are other possibilities, but this is just what popped in my head when I saw your beautiful fabric, had to share it!
What a fantastic, creative idea and you're right, it will make for a very special quilt.