Cascade Green Alt → Benjamin Moore
The closest Benjamin Moore matches for Sherwin Williams Cascade Green Alt (SW 9128), ranked by perceptual color distance.
Finding a Benjamin Moore Equivalent for Cascade Green Alt
If you love Sherwin Williams Cascade Green Alt 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.
Cascade Green Alt (SW 9128) is a medium-dark green with soft jade green undertones. A soft jade green. Between Quietude and Comfort Gray. Named for the semiprecious stone, with that same polished, cool quality. To find a good Benjamin Moore match, we need a color that captures not just the right depth (LRV 38) but also that specific undertone character. That is where Delta E color science comes in.
We calculated the perceptual color distance between Cascade Green Alt 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 Beach Glass (1564) with a Delta E of 3.8, which is a "good match" level match. Beach Glass is close. You will want to test a sample before committing, as the difference may be noticeable in certain lighting.
Benjamin Moore Matches for Cascade Green Alt
Beach Glass is close.
| Cascade Green Alt | Beach Glass | |
|---|---|---|
| LRV | 38 | 50.22 |
| Hex | #B1B9AE | #C0CDC4 |
| Undertone | Soft Jade Green | Sea Glass Green |
| Family | Green | Green |
Undertone Comparison
Cascade Green Alt has soft jade green undertones. A soft jade green. Between Quietude and Comfort Gray. Named for the semiprecious stone, with that same polished, cool quality.
Beach Glass has sea glass green undertones. A soft, muted green with the translucent quality of sea glass tumbled smooth by the ocean. More green than Sea Salt, more gray than Palladian Blue. Coastal and serene.
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
Cascade Green Alt in Your Room
The jade-green is soft and natural. In bright rooms, a pleasant green. In dim rooms, a warm gray-green.
Beach Glass in Your Room
The sea-glass quality is soft and calming. In bright rooms, the green is fresh and inviting. In dim rooms, it reads as a cool, calming gray-green.
LRV and Brightness
Cascade Green Alt has an LRV of 38, while Beach Glass has an LRV of 50.22. That means Beach Glass reflects more light. If you switch from Cascade Green Alt to Beach Glass, the room should feel slightly brighter and more open.
Best Rooms for Cascade Green Alt
Sherwin Williams recommends Cascade Green Alt for: bathroom, bedroom, kitchen, nursery, living room. With an LRV of 38, this is a medium-dark color that is in the medium range, adding real depth and presence to a room. It works best in rooms with good natural light or as an accent wall color. In smaller or darker rooms, pair it with bright white trim to keep the space from feeling closed in.
Beach Glass is recommended for: bathroom, bedroom, nursery, kitchen, sunroom. Both colors are recommended for similar applications, which confirms that this is a practical cross-brand match. You can use Beach Glass in the same rooms you planned for Cascade Green Alt.
Cascade Green Alt in Other Brands
Looking for Cascade Green Alt equivalents in other brands besides Benjamin Moore? We have matches across all major paint brands.
Frequently Asked Questions
The closest Benjamin Moore match for Cascade Green Alt (SW 9128) is Beach Glass (1564) with a Delta E of 3.8, which rates as a "good match" match. Beach Glass is close. 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. Cascade Green Alt is a Sherwin Williams color with soft jade green undertones and an LRV of 38. Beach Glass is a Benjamin Moore color with sea glass green undertones and an LRV of 50.22. 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.
Match calculations use Delta E (CIE2000) computed from Lab color space conversion. Color data sourced from manufacturer specifications. Last reviewed: March 22, 2026.