Jamestown Blue vs Grey Blue
Jamestown Blue is a Benjamin Moore color while Grey Blue comes from RAL Classic. Jamestown Blue reads as blue, while Grey Blue reads as blue-grey — two distinct hue families, not close cousins. At LRV 34 vs 7, Jamestown Blue will read as the brighter of the two — a 26-point gap that matters most in north-facing or low-light rooms. At ΔE 33.0, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Jamestown Blue vs Grey Blue in Real Spaces
3 real rooms side by side. Seeing Jamestown Blue and Grey Blue 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 Jamestown Blue will make the room feel meaningfully brighter than Grey Blue would.
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. Jamestown Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Jamestown Blue will make the room feel meaningfully brighter than Grey Blue would.
Color Details
Jamestown Blue vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Jamestown Blue on one side and Grey Blue 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 Jamestown Blue comparisons
See how Jamestown Blue stacks up against other well-photographed colors across different brands and tones.
