Thunder Clouds vs Agreeable Gray
Thunder Clouds (Dulux) and Agreeable Gray (Sherwin-Williams) come from different manufacturers. Thunder Clouds reads as grey, while Agreeable Gray reads as greige-grey — two distinct hue families, not close cousins. The 43-point LRV gap — 60 for Agreeable Gray vs 17 for Thunder Clouds — means Agreeable Gray will open up a space more effectively. Where Thunder Clouds leans neutral, Agreeable Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 37.9 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Thunder Clouds vs Agreeable Gray in Real Spaces
1 real room side by side. Seeing Thunder Clouds and Agreeable Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The LRV gap is large enough that Agreeable Gray will make the room feel meaningfully brighter than Thunder Clouds would.
Color Details
Thunder Clouds vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Thunder Clouds 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 Thunder Clouds comparisons
See how Thunder Clouds stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 17, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 17), opening up a space where Thunder Clouds encloses it.
Thunder Clouds reads slightly lighter (LRV 17 vs 6), a gap that shows most in low-lit rooms.
At LRV 52 vs 17, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 17, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 17), opening up a space where Thunder Clouds encloses it.
Accessible Beige reflects far more light (LRV 58 vs 17), opening up a space where Thunder Clouds encloses it.
Denim Drift reads slightly lighter (LRV 27 vs 17), a gap that shows most in low-lit rooms.
At LRV 43 vs 17, French Gray is decisively the brighter choice.
At LRV 17 vs 4, Thunder Clouds is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 17), opening up a space where Thunder Clouds encloses it.
Thunder Clouds reads slightly lighter (LRV 17 vs 13), a gap that shows most in low-lit rooms.
Hardwick White reflects far more light (LRV 44 vs 17), opening up a space where Thunder Clouds encloses it.
At LRV 84 vs 17, Pure White is decisively the brighter choice.
A 4-point LRV gap (21 vs 17) makes Artichoke the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 17), opening up a space where Thunder Clouds encloses it.
Shoji White reflects far more light (LRV 74 vs 17), opening up a space where Thunder Clouds encloses it.
Snowbound reflects far more light (LRV 83 vs 17), opening up a space where Thunder Clouds encloses it.
At LRV 51 vs 17, Pigeon is decisively the brighter choice.
Thunder Clouds reads slightly lighter (LRV 17 vs 12), a gap that shows most in low-lit rooms.
Thunder Clouds reads slightly lighter (LRV 17 vs 8), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 17), opening up a space where Thunder Clouds encloses it.
At LRV 41 vs 17, Dix Blue is decisively the brighter choice.
Thunder Clouds reads slightly lighter (LRV 17 vs 12), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 17), opening up a space where Thunder Clouds encloses it.
At LRV 31 vs 17, Pale Green is decisively the brighter choice.
A 10-point LRV gap (17 vs 7) makes Thunder Clouds the marginally brighter of the two.