Colorado Gray vs Just Walnut
Colorado Gray (Benjamin Moore) and Just Walnut (Dulux) come from different manufacturers. Hue-wise, Colorado Gray belongs to the blue-grey family and Just Walnut to the beige-greige family. The 28-point LRV gap — 72 for Just Walnut vs 44 for Colorado Gray — means Just Walnut will open up a space more effectively. Where Colorado Gray leans blue, Just Walnut reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 19.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Colorado Gray vs Just Walnut in Real Spaces
5 real rooms side by side. Seeing Colorado Gray and Just Walnut in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Just Walnut returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The LRV gap is large enough that Just Walnut will make the room feel meaningfully brighter than Colorado Gray would.
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
Colorado Gray vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Colorado Gray on one side and Just Walnut 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 Colorado Gray comparisons
See how Colorado Gray stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 44), opening up a space where Colorado Gray encloses it.
At LRV 69 vs 44, Ammonite is decisively the brighter choice.
Colorado Gray reflects far more light (LRV 44 vs 6), opening up a space where Iron Ore encloses it.
A 8-point LRV gap (52 vs 44) makes Purbeck Stone the marginally brighter of the two.
At LRV 44 vs 30, Colorado Gray is decisively the brighter choice.
Mizzle reads slightly lighter (LRV 52 vs 44), a gap that shows most in low-lit rooms.
At LRV 60 vs 44, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 44), opening up a space where Colorado Gray encloses it.
Colorado Gray reflects far more light (LRV 44 vs 27), opening up a space where Denim Drift encloses it.
Their light reflectance is nearly identical (LRV 44 vs 43), so neither reads brighter in a room.
At LRV 44 vs 4, Colorado Gray is decisively the brighter choice.
Tranquil Dawn reads slightly lighter (LRV 55 vs 44), a gap that shows most in low-lit rooms.
Colorado Gray reflects far more light (LRV 44 vs 13), opening up a space where Bancha encloses it.
With LRVs of 44 and 44, the two reflect almost the same amount of light.
At LRV 84 vs 44, Pure White is decisively the brighter choice.
At LRV 44 vs 21, Colorado Gray is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 44), opening up a space where Colorado Gray encloses it.
Shoji White reflects far more light (LRV 74 vs 44), opening up a space where Colorado Gray encloses it.
Snowbound reflects far more light (LRV 83 vs 44), opening up a space where Colorado Gray encloses it.
Colorado Gray reflects far more light (LRV 44 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 44), opening up a space where Colorado Gray encloses it.
A 3-point LRV gap (44 vs 41) makes Colorado Gray the marginally brighter of the two.
At LRV 68 vs 44, Calamine is decisively the brighter choice.
At LRV 44 vs 25, Colorado Gray is decisively the brighter choice.
Colorado Gray reflects far more light (LRV 44 vs 12), opening up a space where Vintage Vogue encloses it.
With LRVs of 45 and 44, the two reflect almost the same amount of light.
At LRV 44 vs 31, Colorado Gray is decisively the brighter choice.
At LRV 44 vs 7, Colorado Gray is decisively the brighter choice.
At LRV 44 vs 24, Colorado Gray is decisively the brighter choice.
At LRV 57 vs 44, Guilford Green is decisively the brighter choice.