Thundercloud Gray vs Agreeable Gray
Where Thundercloud Gray belongs to Benjamin Moore's range, Agreeable Gray is a Sherwin-Williams color. Hue-wise, Thundercloud Gray belongs to the blue-grey family and Agreeable Gray to the greige-grey family. Agreeable Gray (LRV 60) reflects noticeably more light than Thundercloud Gray (LRV 50), a difference of 10 points that becomes especially apparent in rooms with limited natural light. Thundercloud Gray runs blue while Agreeable Gray is decidedly warm, which means they'll respond very differently to warm vs cool light sources. The ΔE 9.7 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Thundercloud Gray vs Agreeable Gray in Real Spaces
2 real rooms side by side. Thundercloud Gray and Agreeable Gray are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than Thundercloud Gray.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than Thundercloud Gray.
Color Details
Thundercloud Gray vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Thundercloud Gray on one side and Agreeable Gray on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Thundercloud Gray comparisons
See how Thundercloud Gray stacks up against other well-photographed colors across different brands and tones.
