Black becomes the architectural foundation of this living room, wrapping the walls, ceiling, window trim, shelving, and dark wood floor in a rich, enveloping backdrop. Against it, the olive-green velvet sofa immediately becomes the focal point, bringing softness and an earthy warmth to the otherwise dramatic palette. Forest green then appears in a more organic way through the tall indoor tree, fan palm, ferns, and other potted plants gathered around the bay windows. Because the greens vary from muted olive upholstery to brighter natural foliage, the combination feels layered and dimensional rather than overly coordinated.
The key to making such a dark palette feel inviting is the use of lighter elements between the black and green. Beige curtains soften the windows, while the sculptural cream chair and pale patterned rug introduce visual breathing room. A transparent glass coffee table keeps the center of the room open, and small touches of blush, mustard, warm wood, and brass prevent the scheme from becoming too cool. If you want to recreate the look, treat black as the envelope, olive as the main furnishing color, and forest green as the living accent, then use warm neutrals to connect everything together.