Finding a Benjamin Moore Equivalent for Online

If you love Sherwin Williams Online but need a Benjamin Moore 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 Benjamin Moore, your local store does not carry Sherwin Williams, or you simply want to compare prices across brands before committing.

Online (SW 7072) is a dark gray with warm dark gray undertones. A warm, dark gray with subtle green undertones. Deeper than Gauntlet Gray, warmer than Anthracite. Named for the connected, modern world it represents. A strong choice for contemporary accent walls. To find a good Benjamin Moore match, we need a color that captures not just the right depth (LRV 17) but also that specific undertone character. That is where Delta E color science comes in.

We calculated the perceptual color distance between Online and every Benjamin Moore 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 Benjamin Moore option is Iron Mountain (2134-30) with a Delta E of 3.8, which is a "good match" level match. Iron Mountain is very close. Both are warm, dark grays with green undertones. You will want to test a sample before committing, as the difference may be noticeable in certain lighting.

Benjamin Moore Matches for Online

Iron Mountain 2134-30
Good match · ΔE 3.8

Iron Mountain is very close. Both are warm, dark grays with green undertones.

OnlineIron Mountain
LRV1714.79
Hex#868581#767671
UndertoneWarm Dark GrayWarm Charcoal-Green
FamilyGrayGray

Undertone Comparison

Online has warm dark gray undertones. A warm, dark gray with subtle green undertones. Deeper than Gauntlet Gray, warmer than Anthracite. Named for the connected, modern world it represents. A strong choice for contemporary accent walls.

Iron Mountain has warm charcoal-green undertones. A dark, warm gray with subtle green undertones. Lighter than Wrought Iron, darker than Chelsea Gray. A versatile dark neutral.

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

Online in Your Room

In bright light, the green lean is subtle but present. In dim rooms, it reads as a solid dark gray with warmth. The depth provides drama without the starkness of black.

Iron Mountain in Your Room

In bright light, the green lean is visible. In dim rooms, it reads as a solid dark gray. Works as a softer alternative to black.

LRV and Brightness

Online has an LRV of 17, while Iron Mountain has an LRV of 14.79. These two colors reflect a very similar amount of light, so you should not notice a significant difference in room brightness when switching between them. The room will feel approximately the same in terms of light and space, which makes this a smoother transition.

Best Rooms for Online

Sherwin Williams recommends Online for: accent wall, exterior, cabinets, office, powder room. With an LRV of 17, this is a dark color that absorbs more light than it reflects. It makes a bold statement and works beautifully on accent walls, front doors, exterior trim, and features where drama is the goal. In a full room, make sure you have good lighting and bright white trim for contrast.

Iron Mountain is recommended for: accent wall, exterior, front door, cabinets, office. Both colors are recommended for similar applications, which confirms that this is a practical cross-brand match. You can use Iron Mountain in the same rooms you planned for Online.

Online in Other Brands

Looking for Online equivalents in other brands besides Benjamin Moore? We have matches across all major paint brands.

Frequently Asked Questions

The closest Benjamin Moore match for Online (SW 7072) is Iron Mountain (2134-30) with a Delta E of 3.8, which rates as a "good match" match. Iron Mountain is very close. Both are warm, dark grays with green undertones. 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. Online is a Sherwin Williams color with warm dark gray undertones and an LRV of 17. Iron Mountain is a Benjamin Moore color with warm charcoal-green undertones and an LRV of 14.79. With a Delta E of 3.8, 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 3.8, the difference is enough that they should not be used on adjacent walls in the same room. You can use them in separate rooms of the same house, but be aware that walking from one room to the other may reveal the difference, especially if the rooms have similar lighting. For the most consistent look, pick one brand for all connected living spaces and reserve the other brand for visually separate rooms like bathrooms or bedrooms behind closed doors.

There are several practical reasons to look for a Benjamin Moore equivalent. Price differences between brands can be significant on large projects. Availability matters if your nearest paint store or home center specializes in Benjamin Moore. Some painters have strong preferences for one brand's formula based on coverage, dry time, or workability. And if you are touching up existing Benjamin Moore work, matching within the same brand gives you the best consistency for seamless results.

Colors on screen are approximations. Your monitor, lighting, and paint finish will affect how colors appear in your space. Always test with a physical paint sample before purchasing.

Match calculations use Delta E (CIE2000) computed from Lab color space conversion. Color data sourced from manufacturer specifications. Last reviewed: March 22, 2026.