You mean between the plug and the cabinets? The artwork idea sounds nice, but if you go with it, allow it to "breathe" with enough white space (i.e. blank wall) around it. Already that hutch in the corner is visual distraction. Adding something next to the cabinets gets busy. At most, I'd put a plant.

Hi Holly. Congrats on your new place. Kitchen colors etc look great. I would remove the corner curio cabinet and place a buffet/sidebar to go 0n that wall. It could be a bar/liquor cabinet (if you indulge 😉) or hold serving dishes etc. here are some pics of what I mean ... various types (just some examples) depending on what your style and tastes are. Then place a picture above it ... or large vase with greenery... or bar decanters, candles, etc.

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I agree to switch out the furniture and add some flowers. Maybe one piece of art.