<span>Freelance composers.</span>
Answer:
try light and dark elements
I would say
''Spiral design'' is decorated on Chinese Minoan and Anasazi pottery. Here are two pictures of those arts below. *Also I take NO CREDIT 0% for making those pics I just found them off google.
Value is lightness and darkness. Difference between values is contrast. Tints are lighter values. Shades are darker values.