Finding a Sherwin Williams Equivalent for Brittany Blue

If you love Benjamin Moore Brittany Blue 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.

Brittany Blue (CW-605) is a medium blue with soft coastal blue undertones. A soft coastal blue from the Williamsburg Collection. Named for the French coast, it carries a breezy, maritime quality. More blue than gray, lighter than Boothbay Gray. To find a good Sherwin Williams match, we need a color that captures not just the right depth (LRV 47.22) but also that specific undertone character. That is where Delta E color science comes in.

We calculated the perceptual color distance between Brittany Blue 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 Rainwashed (SW 6211) with a Delta E of 4.4, which is a "good match" level match. Rainwashed is greener. Brittany Blue is bluer. You will want to test a sample before committing, as the difference may be noticeable in certain lighting.

Sherwin Williams Matches for Brittany Blue

Rainwashed SW 6211
Good match · ΔE 4.4

Rainwashed is greener. Brittany Blue is bluer.

Brittany BlueRainwashed
LRV47.2259
Hex#BAC8C8#C8D3CF
UndertoneSoft Coastal BlueSoft Blue-Green
FamilyBlueBlue

Undertone Comparison

Brittany Blue has soft coastal blue undertones. A soft coastal blue from the Williamsburg Collection. Named for the French coast, it carries a breezy, maritime quality. More blue than gray, lighter than Boothbay Gray.

Rainwashed has soft blue-green undertones. A soft blue-green gray. More blue than Sea Salt, more green than a true blue.

The undertone difference is worth paying attention to. While they are close in overall appearance, the different undertones mean they may diverge in certain lighting. Brittany Blue's soft coastal blue quality may read differently than Rainwashed's soft blue-green character, especially in rooms with strong directional light or colored accents that could pull out one undertone more than the other. Test a sample in your specific room before committing.

How These Colors Behave in Different Lighting

Brittany Blue in Your Room

The blue is soft and coastal. In bright rooms fresh and inviting. In dim rooms a calm, cool neutral.

Rainwashed in Your Room

Shifts between blue and green. Always calming and spa-like.

LRV and Brightness

Brittany Blue has an LRV of 47.22, while Rainwashed has an LRV of 59. That means Rainwashed reflects more light. If you switch from Brittany Blue to Rainwashed, the room should feel slightly brighter and more open.

Best Rooms for Brittany Blue

Benjamin Moore recommends Brittany Blue for: bathroom, bedroom, living room, nursery, kitchen. With an LRV of 47.22, this is a medium 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.

Rainwashed is recommended for: bathroom, bedroom, nursery, laundry room, sunroom. Both colors are recommended for similar applications, which confirms that this is a practical cross-brand match. You can use Rainwashed in the same rooms you planned for Brittany Blue.

Brittany Blue in Other Brands

Looking for Brittany Blue equivalents in other brands besides Sherwin Williams? We have matches across all major paint brands.

Frequently Asked Questions

The closest Sherwin Williams match for Brittany Blue (CW-605) is Rainwashed (SW 6211) with a Delta E of 4.4, which rates as a "good match" match. Rainwashed is greener. Brittany Blue is bluer. 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. Brittany Blue is a Benjamin Moore color with soft coastal blue undertones and an LRV of 47.22. Rainwashed is a Sherwin Williams color with soft blue-green undertones and an LRV of 59. With a Delta E of 4.4, you will likely notice a difference, especially in bright or direct lighting. 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 4.4, 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 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.

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.