Guilford Green vs Opal green
Guilford Green (Benjamin Moore) and Opal green (RAL Classic) come from different manufacturers. Guilford Green reads as beige-green, while Opal green reads as blue-green — two distinct hue families, not close cousins. The 46-point LRV gap — 57 for Guilford Green vs 11 for Opal green — means Guilford Green will open up a space more effectively. A ΔE of 52.9 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.
Guilford Green vs Opal green in Real Spaces
1 real room side by side. Seeing Guilford Green and Opal green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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
Guilford Green vs Opal green Simulated Comparison
5 simulated room previews — drag the slider on each to see Guilford Green on one side and Opal 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 Guilford Green comparisons
See how Guilford Green stacks up against other well-photographed colors across different brands and tones.
