Mammoth Mountain vs Guilford Green
Mammoth Mountain (Behr) and Guilford Green (Benjamin Moore) come from different manufacturers. Mammoth Mountain reads as blue, while Guilford Green reads as beige-green — two distinct hue families, not close cousins. The 46-point LRV gap — 57 for Guilford Green vs 11 for Mammoth Mountain — means Guilford Green will open up a space more effectively. Where Mammoth Mountain leans blue, Guilford Green reads yellow — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 49.2 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mammoth Mountain vs Guilford Green in Real Spaces
6 real rooms side by side. Seeing Mammoth Mountain 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
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Guilford Green reflects noticeably more light off the walls, making the space read more open than Mammoth Mountain.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Guilford Green returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. 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
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 returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Guilford Green returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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 returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Mammoth Mountain vs Guilford Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Mammoth Mountain 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 Mammoth Mountain comparisons
See how Mammoth Mountain stacks up against other well-photographed colors across different brands and tones.
