Guilford Green vs RAL 580-5
Guilford Green (Benjamin Moore) and RAL 580-5 (RAL Effect) come from different manufacturers. Hue-wise, Guilford Green belongs to the beige-green family and RAL 580-5 to the blue family. The 49-point LRV gap — 57 for Guilford Green vs 8 for RAL 580-5 — means Guilford Green will open up a space more effectively. A ΔE of 59.3 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Guilford Green vs RAL 580-5 in Real Spaces
4 real rooms side by side. Seeing Guilford Green and RAL 580-5 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 RAL 580-5.
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
Guilford Green vs RAL 580-5 Simulated Comparison
5 simulated room previews — drag the slider on each to see Guilford Green on one side and RAL 580-5 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.
