Nebulous White Alt (SW 7566)
A warm, light beige. More color than a white, less depth than a greige. Named for the Scottish highlands, it carries an organic, natural quality. A popular whole-house neutral.
About Sherwin Williams Nebulous White Alt
Nebulous White Alt (SW 7566) is a beige from Sherwin Williams's collection with an LRV of 73 and warm light beige undertones. A warm, light beige. More color than a white, less depth than a greige. Named for the Scottish highlands, it carries an organic, natural quality. A popular whole-house neutral.
With a light-to-medium LRV of 73, Nebulous White Alt 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)
Nebulous White Alt has an LRV of 73, 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
Nebulous White Alt has warm light beige 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 warm, light beige. More color than a white, less depth than a greige. Named for the Scottish highlands, it carries an organic, natural quality. A popular whole-house neutral. Warm undertones like these pair naturally with other warm elements: honey-toned wood floors, brass and gold hardware, cream-colored textiles, and warm-toned furnishings. They can clash with strongly cool elements like icy blue accents or chrome fixtures, though the effect depends on the strength of the undertone.
Lighting Behavior
Warm and inviting. Reads as a warm off-white with visible beige warmth. The kind of color that makes a home feel lived-in and welcoming from the moment you walk in.
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 Nebulous White Alt with a physical sample on your actual wall, and observe it at different times of day before committing.
Best Rooms for Nebulous White Alt
Sherwin Williams recommends Nebulous White Alt for: whole house, hallway, living room, bedroom, bathroom.
Nebulous White Alt is versatile enough to use as a whole-house color, providing a consistent, cohesive look as you move from room to room. Whole-house colors need to work in multiple lighting conditions and alongside various furnishings, which is why a balanced LRV (73) and manageable undertones are essential. Nebulous White Alt handles this well.
Closest Matches in Other Brands
Find the closest equivalent to Sherwin Williams Nebulous White Alt from other paint brands. Matches are calculated using Delta E (CIE2000), the industry standard for measuring perceptual color difference.
Benjamin Moore Matches
Muslin is close. Both are warm, light beige neutrals.
View all Benjamin Moore matches →Behr Matches
Cameo White is similar in warmth and depth.
View all Behr matches →Coordinating Colors
These colors pair beautifully with Nebulous White Alt for a cohesive palette. Use them for trim, accents, adjacent rooms, or furniture to create a well-designed space.
Frequently Asked Questions
We are still researching the best Sherwin Williams match for this color. Check back soon for updated match data.
Nebulous White Alt has warm light beige undertones. A warm, light beige. More color than a white, less depth than a greige. Named for the Scottish highlands, it carries an organic, natural quality. A popular whole-house neutral. 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.
Nebulous White Alt (SW 7566) has a Light Reflectance Value (LRV) of 73, 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 73, this is a light color that will keep rooms feeling bright and open.
Nebulous White Alt leans warm. The warm light beige undertones give it a cozy, inviting quality. It pairs naturally with other warm elements like wood tones, brass hardware, and cream textiles. In north-facing rooms, the warmth is especially welcoming.
Color data sourced from manufacturer specifications. Match calculations use Delta E (CIE2000) computed from Lab color space conversion. Last reviewed: March 22, 2026.