Just Walnut vs Greenblack
Just Walnut (Dulux) and Greenblack (Sherwin-Williams) come from different manufacturers. Hue-wise, Just Walnut belongs to the beige-greige family and Greenblack to the green-grey family. The 68-point LRV gap — 72 for Just Walnut vs 4 for Greenblack — means Just Walnut will open up a space more effectively. Where Just Walnut leans warm, Greenblack reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 63.4 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.
Just Walnut vs Greenblack in Real Spaces
4 real rooms side by side. Seeing Just Walnut and Greenblack 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. Just Walnut reflects noticeably more light off the walls, making the space read more open than Greenblack.
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. Just Walnut 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. Just Walnut 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. Just Walnut returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Just Walnut vs Greenblack Simulated Comparison
5 simulated room previews — drag the slider on each to see Just Walnut on one side and Greenblack 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 Just Walnut comparisons
See how Just Walnut stacks up against other well-photographed colors across different brands and tones.
















































