Mega Greige Light → Behr
The closest Behr matches for Sherwin Williams Mega Greige Light (SW 7638), ranked by perceptual color distance.
Finding a Behr Equivalent for Mega Greige Light
If you love Sherwin Williams Mega Greige Light but need a Behr 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 Behr, your local store does not carry Sherwin Williams, or you simply want to compare prices across brands before committing.
Mega Greige Light (SW 7638) is a medium greige with warm greige undertones. A warm medium greige. Between Agreeable Gray and Mega Greige. To find a good Behr match, we need a color that captures not just the right depth (LRV 51) but also that specific undertone character. That is where Delta E color science comes in.
We calculated the perceptual color distance between Mega Greige Light and every Behr 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 Behr option is Dolphin Fin (PPU26-06) with a Delta E of 3.8, which is a "good match" level match. Dolphin Fin is lighter. You will want to test a sample before committing, as the difference may be noticeable in certain lighting.
Behr Matches for Mega Greige Light
Dolphin Fin is lighter.
| Mega Greige Light | Dolphin Fin | |
|---|---|---|
| LRV | 51 | 46 |
| Hex | #C5BEB3 | #BAB5AE |
| Undertone | Warm Greige | Warm Greige |
| Family | Greige | Gray |
Undertone Comparison
Mega Greige Light has warm greige undertones. A warm medium greige. Between Agreeable Gray and Mega Greige.
Dolphin Fin has warm greige undertones. A warm medium gray with subtle beige undertones. Behr's answer to the greige trend. Balanced and versatile.
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
Mega Greige Light in Your Room
Balanced warm neutral with good depth.
Dolphin Fin in Your Room
Reads as a warm, balanced gray in most rooms. Neither too warm nor too cool. A safe, crowd-pleasing choice for any room.
LRV and Brightness
Mega Greige Light has an LRV of 51, while Dolphin Fin has an LRV of 46. 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 Mega Greige Light
Sherwin Williams recommends Mega Greige Light for: living room, bedroom, hallway, dining room. With an LRV of 51, this is a medium color that is in the medium-light range, reflecting enough light to keep rooms feeling open while adding more color and depth than a white or off-white. It works well in living rooms, bedrooms, and hallways where you want warmth and character without darkness.
Dolphin Fin is recommended for: living room, bedroom, hallway, office, whole house. Both colors are recommended for similar applications, which confirms that this is a practical cross-brand match. You can use Dolphin Fin in the same rooms you planned for Mega Greige Light.
Mega Greige Light in Other Brands
Looking for Mega Greige Light equivalents in other brands besides Behr? We have matches across all major paint brands.
Frequently Asked Questions
The closest Behr match for Mega Greige Light (SW 7638) is Dolphin Fin (PPU26-06) with a Delta E of 3.8, which rates as a "good match" match. Dolphin Fin is lighter. 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. Mega Greige Light is a Sherwin Williams color with warm greige undertones and an LRV of 51. Dolphin Fin is a Behr color with warm greige undertones and an LRV of 46. 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 Behr equivalent. Price differences between brands can be significant on large projects. Availability matters if your nearest paint store or home center specializes in Behr. Some painters have strong preferences for one brand's formula based on coverage, dry time, or workability. And if you are touching up existing Behr 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.