Nantucket Fog → Sherwin Williams
The closest Sherwin Williams matches for Benjamin Moore Nantucket Fog (AC-22), ranked by perceptual color distance.
Finding a Sherwin Williams Equivalent for Nantucket Fog
If you love Benjamin Moore Nantucket Fog but need a Sherwin Williams alternative, you are not alone. This is one of the most common cross-brand paint matching searches, whether you are working with a painter who prefers Sherwin Williams, your local store does not carry Benjamin Moore, or you simply want to compare prices across brands before committing.
Nantucket Fog (AC-22) is a medium gray with cool neutral undertones. A light-medium cool gray with almost no undertone. One of the most truly neutral grays in the BM lineup. To find a good Sherwin Williams match, we need a color that captures not just the right depth (LRV 52.37) but also that specific undertone character. That is where Delta E color science comes in.
We calculated the perceptual color distance between Nantucket Fog and every Sherwin Williams color using the CIE2000 Delta E formula, which measures how different two colors look to the human eye. A Delta E under 2 means most people cannot tell the colors apart. Between 2 and 4, you might notice a difference in certain lighting. Above 5, the difference is clearly visible side by side.
The results are decent but not perfect. The closest Sherwin Williams option is Passive (SW 7064) with a Delta E of 3, which is a "good match" level match. Passive is the closest match. Both are clean, neutral grays. You will want to test a sample before committing, as the difference may be noticeable in certain lighting.
Sherwin Williams Matches for Nantucket Fog
Passive is the closest match. Both are clean, neutral grays.
| Nantucket Fog | Passive | |
|---|---|---|
| LRV | 52.37 | 60 |
| Hex | #C3C4C1 | #CBCBC8 |
| Undertone | Cool Neutral | Cool Neutral Gray |
| Family | Gray | Gray |
Undertone Comparison
Nantucket Fog has cool neutral undertones. A light-medium cool gray with almost no undertone. One of the most truly neutral grays in the BM lineup.
Passive has cool neutral gray undertones. A balanced, cool-leaning gray with minimal undertone. One of SW's most truly neutral grays. Less warm than Repose, less cool than some blue-grays.
These two colors share the same undertone family, which is a good sign for a cross-brand swap. The undertone similarity means they will behave similarly as lighting changes throughout the day, and they should coordinate well with the same accent colors, trim, and furnishings.
How These Colors Behave in Different Lighting
Nantucket Fog in Your Room
Remarkably clean in all lighting. Does not pull warm, cool, pink, green, or purple. Just gray. A designer's dream for clean modern spaces.
Passive in Your Room
Reads as a clean, balanced gray in most rooms. In warm light, it stays neutral without pulling warm. In cool light, it can feel slightly cool. Very versatile.
LRV and Brightness
Nantucket Fog has an LRV of 52.37, while Passive has an LRV of 60. That means Passive reflects more light. If you switch from Nantucket Fog to Passive, the room should feel slightly brighter and more open.
Best Rooms for Nantucket Fog
Benjamin Moore recommends Nantucket Fog for: living room, bedroom, office, hallway, bathroom. With an LRV of 52.37, this is a medium color that is in the medium-light range, reflecting enough light to keep rooms feeling open while adding more color and depth than a white or off-white. It works well in living rooms, bedrooms, and hallways where you want warmth and character without darkness.
Passive is recommended for: living room, bedroom, bathroom, hallway, office. Both colors are recommended for similar applications, which confirms that this is a practical cross-brand match. You can use Passive in the same rooms you planned for Nantucket Fog.
Nantucket Fog in Other Brands
Looking for Nantucket Fog equivalents in other brands besides Sherwin Williams? We have matches across all major paint brands.
Frequently Asked Questions
The closest Sherwin Williams match for Nantucket Fog (AC-22) is Passive (SW 7064) with a Delta E of 3, which rates as a "good match" match. Passive is the closest match. Both are clean, neutral grays. Delta E measures perceptual color distance on a scale where under 2 means nearly identical, 2 to 4 means close with subtle differences, and over 5 means clearly noticeable.
No, they are not identical. Nantucket Fog is a Benjamin Moore color with cool neutral undertones and an LRV of 52.37. Passive is a Sherwin Williams color with cool neutral gray undertones and an LRV of 60. With a Delta E of 3, the difference is subtle and mainly visible in direct side-by-side comparison. Paint formulations differ between brands, so even colors with similar values can look slightly different due to pigment concentration, binders, and finish.
With a Delta E of 3, these colors are close enough to use in separate rooms of the same house without a jarring difference. However, avoid painting them on adjacent walls in the same room, as even subtle differences become apparent at a hard edge where two paints meet. For the smoothest result, use one brand consistently within each connected space and reserve the other brand for rooms that are visually separated.
There are several practical reasons to look for a Sherwin Williams equivalent. Price differences between brands can be significant on large projects. Availability matters if your nearest paint store or home center specializes in Sherwin Williams. Some painters have strong preferences for one brand's formula based on coverage, dry time, or workability. And if you are touching up existing Sherwin Williams work, matching within the same brand gives you the best consistency for seamless results.
Match calculations use Delta E (CIE2000) computed from Lab color space conversion. Color data sourced from manufacturer specifications. Last reviewed: March 22, 2026.