Harbor Side Blue vs Just Walnut
Where Harbor Side Blue belongs to Benjamin Moore's range, Just Walnut is a Dulux color. Hue-wise, Harbor Side Blue belongs to the blue family and Just Walnut to the beige-greige family. Just Walnut (LRV 72) reflects noticeably more light than Harbor Side Blue (LRV 40), a difference of 32 points that becomes especially apparent in rooms with limited natural light. Harbor Side Blue runs blue while Just Walnut is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 35.3, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Harbor Side Blue vs Just Walnut in Real Spaces
1 real room side by side. Seeing Harbor Side Blue 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.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. 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
Harbor Side Blue vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Harbor Side Blue 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 Harbor Side Blue comparisons
See how Harbor Side Blue stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 40, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 40), opening up a space where Harbor Side Blue encloses it.
At LRV 40 vs 6, Harbor Side Blue is decisively the brighter choice.
Purbeck Stone reads slightly lighter (LRV 52 vs 40), a gap that shows most in low-lit rooms.
Harbor Side Blue reads slightly lighter (LRV 40 vs 30), a gap that shows most in low-lit rooms.
A 11-point LRV gap (52 vs 40) makes Mizzle the marginally brighter of the two.
Agreeable Gray reflects far more light (LRV 60 vs 40), opening up a space where Harbor Side Blue encloses it.
At LRV 58 vs 40, Accessible Beige is decisively the brighter choice.
At LRV 40 vs 27, Harbor Side Blue is decisively the brighter choice.
With LRVs of 43 and 40, the two reflect almost the same amount of light.
Harbor Side Blue reflects far more light (LRV 40 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 40, Tranquil Dawn is decisively the brighter choice.
At LRV 40 vs 13, Harbor Side Blue is decisively the brighter choice.
A 3-point LRV gap (44 vs 40) makes Hardwick White the marginally brighter of the two.
Pure White reflects far more light (LRV 84 vs 40), opening up a space where Harbor Side Blue encloses it.
Harbor Side Blue reflects far more light (LRV 40 vs 21), opening up a space where Artichoke encloses it.
At LRV 66 vs 40, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 40, Shoji White is decisively the brighter choice.
At LRV 83 vs 40, Snowbound is decisively the brighter choice.
At LRV 40 vs 12, Harbor Side Blue is decisively the brighter choice.
At LRV 68 vs 40, Skimming Stone is decisively the brighter choice.
With LRVs of 41 and 40, the two reflect almost the same amount of light.
Calamine reflects far more light (LRV 68 vs 40), opening up a space where Harbor Side Blue encloses it.
Harbor Side Blue reflects far more light (LRV 40 vs 25), opening up a space where Treron encloses it.
At LRV 40 vs 12, Harbor Side Blue is decisively the brighter choice.
A 5-point LRV gap (45 vs 40) makes Saybrook Sage the marginally brighter of the two.
Harbor Side Blue reads slightly lighter (LRV 40 vs 31), a gap that shows most in low-lit rooms.
Harbor Side Blue reflects far more light (LRV 40 vs 7), opening up a space where Pine Needle encloses it.
Harbor Side Blue reflects far more light (LRV 40 vs 24), opening up a space where Cement grey encloses it.
Guilford Green reflects far more light (LRV 57 vs 40), opening up a space where Harbor Side Blue encloses it.