The colors of her outfit are mismatching.

There was a mismatching of colors in her outfit.

There were several mismatchings in the pattern of the fabric.

The colors of her outfit mismatched and looked odd.

There is a mismatch between the color of the walls and the furniture.

They mismatched the colors of their outfits.

The mismatched colors of her outfit made her stand out in the crowd.

There were several mismatches between the two reports.

The colors of their outfits mismatches.

The team of mismatchers struggled to find common ground.