S 7500-N vs Sea Serpent
S 7500-N is a NCS color while Sea Serpent comes from Sherwin-Williams. S 7500-N reads as grey, while Sea Serpent reads as blue — two distinct hue families, not close cousins. With LRVs of 8 and 7, they'll behave almost identically in terms of how much light they reflect back into a room. The tonal difference — S 7500-N's neutral character against Sea Serpent's cool — becomes most visible against white trim or in morning light. At ΔE 9.3, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
S 7500-N vs Sea Serpent in Real Spaces
3 real rooms side by side. S 7500-N 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. S 7500-N reads more restrained here, while Sea Serpent adds a sense of enclosure and warmth.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The temperature contrast between Sea Serpent and S 7500-N is what sets these apart most in this context.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The temperature contrast between Sea Serpent and S 7500-N is what sets these apart most in this context.
Color Details
S 7500-N vs Sea Serpent Simulated Comparison
5 simulated room previews — drag the slider on each to see S 7500-N 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 S 7500-N comparisons
See how S 7500-N stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 8), opening up a space where S 7500-N encloses it.
At LRV 52 vs 8, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 8, Evergreen Fog is decisively the brighter choice.
At LRV 60 vs 8, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 8), opening up a space where S 7500-N encloses it.
Denim Drift reflects far more light (LRV 27 vs 8), opening up a space where S 7500-N encloses it.
At LRV 43 vs 8, French Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 8), opening up a space where S 7500-N encloses it.
Hardwick White reflects far more light (LRV 44 vs 8), opening up a space where S 7500-N encloses it.
At LRV 84 vs 8, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 8), opening up a space where S 7500-N encloses it.
Shoji White reflects far more light (LRV 74 vs 8), opening up a space where S 7500-N encloses it.
Pewter Green reads slightly lighter (LRV 12 vs 8), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 8), opening up a space where S 7500-N encloses it.
Vintage Vogue reads slightly lighter (LRV 12 vs 8), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 8), opening up a space where S 7500-N encloses it.
At LRV 31 vs 8, Pale Green is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 8 vs 7), so neither reads brighter in a room.
At LRV 24 vs 8, Cement grey is decisively the brighter choice.
At LRV 57 vs 8, Guilford Green is decisively the brighter choice.