Door with opaque glass inserts. Door itself could be stained to complement the cabinets.
Q
A patterned glass would add interest, if we can find one with enough opacity.
A full panel of opaque glass.
Chalkboard added to a door ... just an example of adding a personalized touch to a standard door.
Could also do a mix of materials as the inserts.
Another approach would be a solid door with a unique design.
Here's one created with reclaimed wood.
Door with opaque glass inserts. Door itself could be stained to complement the cabinets.
Q