Master Craftsman Color Step 2

After much agonizing and dragging of feet, I finally had to get going, in order to make the January 31 deadline. This step is on value and contrast, with 2 stitched abstract pieces to demonstrate the concept.
I started on a computer rendition, followed by painting the pieces I planned to stitch:

I tried out different color combinations on the doodle cloth.

I settled on these colors for the the first piece:

For the second piece, I plan to paint the center white portion a light grey - to provide a high minor key with much less saturation.