Cardboard
What Cardboard Actually Looks Like
Cardboard SW 6124 looks exactly like its name suggests: the warm, golden-brown of corrugated kraft paper. It sits in the medium depth range with an LRV of 21.7, so it absorbs more light than it reflects and reads as a solid, grounded mid-tone. In direct sunlight the golden side comes forward, almost like caramel. In lower light or north-facing rooms, the brown deepens and the color can lean closer to a toasted leather. It has real warmth without veering into orange territory, which makes it feel earthy and natural rather than sweet.
Cardboard Undertones
The dominant undertone is golden, and that is the first thing most people notice. Underneath the gold sits an earthy brown base that keeps it from reading too yellow. Some designers also pick up a faint amber or ochre quality, especially on larger surfaces in warm artificial light. A few reviewers describe a slight orange flash in certain conditions, but most agree that the golden-brown character stays in control. If you are worried about it pulling too warm, test a sample on a north wall where cooler light will tame the gold and bring out more of the brown.
Where Cardboard Works Best
Cardboard works well as an accent wall color in living rooms and dining rooms where you want warmth without going dark. On exteriors, it is a strong body color for Craftsman, ranch, and rustic-style homes, pairing naturally with stone, timber, and stained wood. It can also serve as a rich cabinet color in a butler's pantry or mudroom. Because of its moderate LRV of 21.7, avoid using it on every wall in small rooms unless you want a cocoon effect. In open-plan spaces, one or two accent walls in Cardboard can anchor a seating area without shrinking the room.
Where to put Cardboard
Cardboard is tailor-made for a single feature wall behind a sofa or headboard. Its golden-brown warmth draws the eye without overwhelming. Paint the remaining walls in Antique White SW 6119 or a similar soft cream to keep the room open and let the accent do the talking.
Dining rooms benefit from warmth, and Cardboard delivers it at an LRV of 21.7 that still feels approachable under candlelight. Pair it with warm-toned wood furniture and cream linens. Trim in Antique White SW 6119 keeps the whole scheme cohesive without stark contrast.
In a living room, use Cardboard on a fireplace wall or built-in shelving to ground the space. Layer in textiles like leather, jute, and linen for a collected look. Whole Wheat SW 6121 on adjacent walls creates a soft tonal flow rather than a hard color break.
Cardboard reads rich and earthy in full sun, picking up that golden undertone beautifully. It pairs well with white or cream trim and a deep charcoal or navy front door. Stone accents and natural wood look especially good alongside it. Expect the color to appear slightly lighter outdoors than your interior swatch suggests.
What to Pair With Cardboard
Sherwin-Williams pairs Cardboard with Antique White SW 6119 for a clean, warm trim contrast, Whole Wheat SW 6121 as a lighter tonal bridge, and Refuge SW 6228 for a cool, grounding blue-green counterpoint. Together these three give you a ready-made palette that balances warm and cool.
Cardboard vs similar colors
All comparisons are matched against Cardboard at LRV 21.7.
Colors that clash with Cardboard
Under cool-white fluorescent or LED bulbs, the golden undertone gets suppressed and Cardboard can look flat and grayish brown rather than warm.
At LRV 21.7, Cardboard absorbs a lot of light. Wrapping a small bathroom or hallway in it can feel cave-like fast.
Pairing Cardboard with a blue-gray or violet-tinged gray trim can create a jarring warm-cool clash that makes both colors look off.
Common questions
Cardboard has an LRV of 21.7, placing it in the medium depth range. It absorbs more light than it reflects, so it reads as a solid, warm mid-tone on the wall.
Cardboard is decidedly warm. Its primary undertones are golden and earthy brown. You will not find any cool blue or gray notes in this color.
Antique White SW 6119 is one of Sherwin-Williams' own coordinating picks and works beautifully. Any warm cream or soft white trim will pair well. Avoid bright, blue-based whites, which can look harsh next to Cardboard's warmth.
Yes. Cardboard is available in exterior formulations and works well as a body color on homes with natural materials like stone or wood. It will appear slightly lighter and more golden in direct sunlight than it does on an interior swatch.