Newburyport Blue vs Sea Serpent
Newburyport Blue is a Benjamin Moore color while Sea Serpent comes from Sherwin-Williams. These are both blues, so the question isn't which hue to choose — it's where within blue to land. At LRV 10 vs 7, Newburyport Blue will read as the brighter of the two — a 4-point gap that matters most in north-facing or low-light rooms. The tonal difference — Newburyport Blue's blue character against Sea Serpent's cool — becomes most visible against white trim or in morning light. At ΔE 6.6, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 9 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Newburyport Blue vs Sea Serpent in Real Spaces
9 real rooms side by side. Newburyport Blue and Sea Serpent are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Newburyport Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The brightness difference is modest but present — Newburyport Blue gives the walls a little more lift.
Dining Room
Dining room light is typically the warmest in the house, which shifts both colors toward the red end of the spectrum compared to daylight. Newburyport Blue reads slightly lighter here — a subtle but real difference in how open the space feels.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The brightness difference is modest but present — Newburyport Blue gives the walls a little more lift.
Home Office
In a home office, wall color sits in your peripheral vision for hours at a time, so temperature and undertone matter more than you might expect. The brightness difference is modest but present — Newburyport Blue gives the walls a little more lift.
Mudroom
A mudroom color needs to hold up under the most casual scrutiny: a glance as you're coming and going, often in mixed or artificial light. Newburyport Blue reads slightly lighter here — a subtle but real difference in how open the space feels.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The brightness difference is modest but present — Newburyport Blue gives the walls a little more lift.
Front Door
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. Newburyport Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The brightness difference is modest but present — Newburyport Blue gives the walls a little more lift.
Color Details
Newburyport Blue vs Sea Serpent Simulated Comparison
5 simulated room previews — drag the slider on each to see Newburyport Blue on one side and Sea Serpent 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 Newburyport Blue comparisons
See how Newburyport Blue stacks up against other well-photographed colors across different brands and tones.
