Thunderous → Farrow & Ball
The closest Farrow & Ball matches for Sherwin Williams Thunderous (SW 6201), ranked by perceptual color distance.
Finding a Farrow & Ball Equivalent for Thunderous
If you love Sherwin Williams Thunderous but need a Farrow & Ball 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 Farrow & Ball, your local store does not carry Sherwin Williams, or you simply want to compare prices across brands before committing.
Thunderous (SW 6201) is a dark blue with deep stormy teal undertones. A deep, stormy teal-blue. Darker than Foggy Day, more blue-green than Naval. The color of the ocean during a thunderstorm. Dramatic, moody, and deeply atmospheric. To find a good Farrow & Ball match, we need a color that captures not just the right depth (LRV 8) but also that specific undertone character. That is where Delta E color science comes in.
We calculated the perceptual color distance between Thunderous and every Farrow & Ball 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 Farrow & Ball option is Stiffkey Blue (No.281) with a Delta E of 3.7, which is a "good match" level match. Stiffkey Blue is the closest Farrow & Ball option at LRV 7. Similar character with F&B's chalky complexity, though some difference is visible. You will want to test a sample before committing, as the difference may be noticeable in certain lighting.
Farrow & Ball Matches for Thunderous
Stiffkey Blue is the closest Farrow & Ball option at LRV 7. Similar character with F&B's chalky complexity, though some difference is visible.
| Thunderous | Stiffkey Blue | |
|---|---|---|
| LRV | 8 | 7 |
| Hex | #526165 | #374352 |
| Undertone | Deep Stormy Teal | Blue-Gray |
| Family | Blue | Navy |
Undertone Comparison
Thunderous has deep stormy teal undertones. A deep, stormy teal-blue. Darker than Foggy Day, more blue-green than Naval. The color of the ocean during a thunderstorm. Dramatic, moody, and deeply atmospheric.
Stiffkey Blue has blue-gray undertones. A deep, complex navy blue named after the Norfolk village. More gray and muted than Hague Blue, with a calm, scholarly quality.
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. Thunderous's deep stormy teal quality may read differently than Stiffkey Blue's blue-gray 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
Thunderous in Your Room
In bright light, the teal character is striking. In dim rooms, it approaches black with blue-green depth. Dramatic and commanding.
Stiffkey Blue in Your Room
In bright light, it reads as a deep blue-gray. In dim rooms, it approaches a sophisticated near-black with blue depth. More restrained than Hague Blue.
LRV and Brightness
Thunderous has an LRV of 8, while Stiffkey Blue has an LRV of 7. 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 Thunderous
Sherwin Williams recommends Thunderous for: accent wall, powder room, front door, dining room, office. With an LRV of 8, this is a dark color that absorbs more light than it reflects. It makes a bold statement and works beautifully on accent walls, front doors, exterior trim, and features where drama is the goal. In a full room, make sure you have good lighting and bright white trim for contrast.
Stiffkey Blue is recommended for: accent wall, office, bedroom, powder room, front door. Both colors are recommended for similar applications, which confirms that this is a practical cross-brand match. You can use Stiffkey Blue in the same rooms you planned for Thunderous.
Thunderous in Other Brands
Looking for Thunderous equivalents in other brands besides Farrow & Ball? We have matches across all major paint brands.
Frequently Asked Questions
The closest Farrow & Ball match for Thunderous (SW 6201) is Stiffkey Blue (No.281) with a Delta E of 3.7, which rates as a "good match" match. Stiffkey Blue is the closest Farrow & Ball option at LRV 7. Similar character with F&B's chalky complexity, though some difference is visible. 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. Thunderous is a Sherwin Williams color with deep stormy teal undertones and an LRV of 8. Stiffkey Blue is a Farrow & Ball color with blue-gray undertones and an LRV of 7. With a Delta E of 3.7, 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 3.7, 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 Farrow & Ball equivalent. Price differences between brands can be significant on large projects. Availability matters if your nearest paint store or home center specializes in Farrow & Ball. Some painters have strong preferences for one brand's formula based on coverage, dry time, or workability. And if you are touching up existing Farrow & Ball 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.