Galt Blue vs Black grey
Where Galt Blue belongs to Benjamin Moore's range, Black grey is a RAL Classic color. Hue-wise, Galt Blue belongs to the blue-green family and Black grey to the blue-grey family. Galt Blue (LRV 64) reflects noticeably more light than Black grey (LRV 6), a difference of 58 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 63.8, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Galt Blue vs Black grey in Real Spaces
1 real room side by side. Seeing Galt Blue 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.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Galt Blue will make the room feel meaningfully brighter than Black grey would.
Color Details
Galt Blue vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Galt Blue 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 Galt Blue comparisons
See how Galt Blue stacks up against other well-photographed colors across different brands and tones.










































