I think you are on the right track with the patterns you are looking at and the batik. Maybe even a puff quilt.
http://www.quilterscache.com/P/PuffQuiltingBlock.html
or
Opposites Attract using the blue fabric and Kona Snow for the solid fabric or a different value blue or green batik.
http://www.jaybirdquilts.com/2011/02...t-process.html