Harbor Side Blue vs Denim Drift
Harbor Side Blue (Benjamin Moore) and Denim Drift (Dulux) come from different manufacturers. Harbor Side Blue reads as blue, while Denim Drift reads as blue-grey — two distinct hue families, not close cousins. The 13-point LRV gap — 40 for Harbor Side Blue vs 27 for Denim Drift — means Harbor Side Blue will open up a space more effectively. Where Harbor Side Blue leans blue, Denim Drift reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 24.2 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.
Harbor Side Blue vs Denim Drift in Real Spaces
1 real room side by side. Seeing Harbor Side Blue and Denim Drift 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
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The LRV gap is large enough that Harbor Side Blue will make the room feel meaningfully brighter than Denim Drift would.
Color Details
Harbor Side Blue vs Denim Drift Simulated Comparison
5 simulated room previews — drag the slider on each to see Harbor Side Blue on one side and Denim Drift 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.
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.
Just Walnut reflects far more light (LRV 72 vs 40), opening up a space where Harbor Side Blue encloses it.