That lamp! Add some geometric wallpaper to one wall in your living room to create an accent wall. For a mid-century look, choose a sofa with thin wooden legs.
Like the TV stand with shelf and storage for a wall-mounted TV
House Tour: Chill Scandinavian Meets Mid-Century Style - Home Decor
IKEA hack Valje bookcase by Stylizimo – Husligheter
Or keep the rug & couch same colour just different darkness