Sea Foam (2123-60)
A soft, minty sea green with gray undertones. Fresh and calming without being bold.
About Benjamin Moore Sea Foam
Sea Foam (2123-60) is a green from Benjamin Moore's collection with an LRV of 64.28 and soft sea green undertones. A soft, minty sea green with gray undertones. Fresh and calming without being bold.
With a light-to-medium LRV of 64.28, Sea Foam sits in a versatile sweet spot. It has enough depth to read as more than a white or off-white, adding real color and character to a room, while still reflecting enough light to keep spaces feeling open and airy. This is the range where most popular whole-house colors live, because they offer warmth and personality without making rooms feel smaller.
Light Reflectance Value (LRV)
Sea Foam has an LRV of 64.28, placing it in the light range on the 0-to-100 scale. LRV measures the percentage of visible light a color reflects. A pure black has an LRV of 0 and a pure white has an LRV of 100. Understanding a color's LRV helps you predict how it will feel in your space: higher LRV means brighter and more spacious, lower LRV means cozier and more intimate.
Undertone Analysis
Sea Foam has soft sea green undertones. Undertones are the subtle background colors that become visible in different lighting conditions. Even colors that look "neutral" in the store will reveal their undertones once they are on your walls and interacting with natural light, artificial light, and the colors around them.
A soft, minty sea green with gray undertones. Fresh and calming without being bold. Neutral undertones give you the most flexibility in decorating. This color should coordinate well with both warm elements (wood, brass, cream) and cool elements (chrome, marble, blue-gray), making it a versatile foundation for any design direction.
Lighting Behavior
The green is soft and fresh. In cool rooms, slightly blue-green. In warm rooms, more purely green.
Every paint color looks different depending on the light source in your room. South-facing rooms get warm, direct sunlight that brings out yellow and warm undertones. North-facing rooms get cool, indirect light that emphasizes blue and gray undertones. East-facing rooms are bright and warm in the morning, cooler in the afternoon. West-facing rooms are the opposite: cool morning, warm afternoon. Incandescent and warm LED bulbs push colors warmer, while cool-white LEDs and fluorescent tubes push colors cooler. To avoid surprises, always test Sea Foam with a physical sample on your actual wall, and observe it at different times of day before committing.
Best Rooms for Sea Foam
Benjamin Moore recommends Sea Foam for: bathroom, bedroom, nursery, kitchen, sunroom.
Closest Matches in Other Brands
Find the closest equivalent to Benjamin Moore Sea Foam from other paint brands. Matches are calculated using Delta E (CIE2000), the industry standard for measuring perceptual color difference.
Sherwin Williams Matches
Sea Salt is grayer and more muted. Sea Foam has more green presence.
View all Sherwin Williams matches →Behr Matches
Ocean Air is close. Both are soft sea greens.
View all Behr matches →Coordinating Colors
These colors pair beautifully with Sea Foam for a cohesive palette. Use them for trim, accents, adjacent rooms, or furniture to create a well-designed space.
Frequently Asked Questions
The closest Sherwin Williams match for Benjamin Moore Sea Foam is Sea Salt (SW 6204) with a Delta E of 4.1, which rates as a "good match" match. Sea Salt is grayer and more muted. Sea Foam has more green presence. A Delta E under 2 means most people cannot tell the colors apart, while 2 to 4 means the difference is subtle.
Sea Foam has soft sea green undertones. A soft, minty sea green with gray undertones. Fresh and calming without being bold. Undertones become most visible when the color is on a large surface like a wall, and they shift depending on the light source in your room. Always test with a physical sample in your specific space to see how the undertones interact with your lighting, flooring, and furnishings.
Sea Foam (2123-60) has a Light Reflectance Value (LRV) of 64.28, which puts it in the light range. LRV measures the percentage of light a color reflects on a scale from 0 (pure black) to 100 (pure white). At 64.28, this is a medium-depth color that adds warmth and character while still reflecting a reasonable amount of light.
Sea Foam leans neutral, with soft sea green undertones that do not strongly push warm or cool. This makes it one of the more versatile colors in its family, pairing well with both warm and cool accent colors and finishes. The green is soft and fresh. In cool rooms, slightly blue-green. In warm rooms, more purely green.
Color data sourced from manufacturer specifications. Match calculations use Delta E (CIE2000) computed from Lab color space conversion. Last reviewed: March 22, 2026.