These tangles are almost equal parts Black and White. Having a B & W tangle on your tile helps the others to pop by the contrast it creates. They are also a nice addition to a Renaissance Tile.
Pictures and links to follow. Most are found on Tanglepatterns.Com
AMOEBA by Linda Dawson
AQUAFLEUR by Zentangle
ARCHER by Chris Gerstner
ARNIA by Maureen Stott, CZT
ARROWHEADS by Linda Farmer, CZT