Sea Star vs Black grey
Sea Star is a Benjamin Moore color while Black grey comes from RAL Classic. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. At LRV 33 vs 6, Sea Star will read as the brighter of the two — a 27-point gap that matters most in north-facing or low-light rooms. At ΔE 43.5, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Sea Star vs Black grey in Real Spaces
2 real rooms side by side. Seeing Sea Star and Black grey in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The LRV gap is large enough that Sea Star will make the room feel meaningfully brighter than Black grey would.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Sea Star will make the room feel meaningfully brighter than Black grey would.
Color Details
Sea Star vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Sea Star on one side and Black grey 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 Sea Star comparisons
See how Sea Star stacks up against other well-photographed colors across different brands and tones.
