Cathedral Gray vs Guilford Green
Cathedral Gray is a Behr color while Guilford Green comes from Benjamin Moore. Hue-wise, Cathedral Gray belongs to the grey family and Guilford Green to the beige-green family. At LRV 57 vs 40, Guilford Green will read as the brighter of the two — a 17-point gap that matters most in north-facing or low-light rooms. The tonal difference — Cathedral Gray's red character against Guilford Green's yellow — becomes most visible against white trim or in morning light. At ΔE 18.9, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cathedral Gray vs Guilford Green in Real Spaces
3 real rooms side by side. Seeing Cathedral Gray and Guilford Green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Guilford Green returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that Guilford Green will make the room feel meaningfully brighter than Cathedral Gray would.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Guilford Green will make the room feel meaningfully brighter than Cathedral Gray would.
Color Details
Cathedral Gray vs Guilford Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Cathedral Gray on one side and Guilford Green 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 Cathedral Gray comparisons
See how Cathedral Gray stacks up against other well-photographed colors across different brands and tones.
