Guilford Green vs Thundercloud Gray
Guilford Green and Thundercloud Gray come from the same Benjamin Moore collection. Guilford Green reads as beige-green, while Thundercloud Gray reads as blue-grey — two distinct hue families, not close cousins. The 7-point LRV gap — 57 for Guilford Green vs 50 for Thundercloud Gray — means Guilford Green will open up a space more effectively. Where Guilford Green leans yellow, Thundercloud Gray reads blue — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 18.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Guilford Green vs Thundercloud Gray in Real Spaces
2 real rooms side by side. Seeing Guilford Green and Thundercloud Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Guilford Green has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Guilford Green has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Guilford Green vs Thundercloud Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Guilford Green on one side and Thundercloud 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 Guilford Green comparisons
See how Guilford Green stacks up against other well-photographed colors across different brands and tones.
