Bistro Blue vs Black grey
Bistro Blue (Benjamin Moore) and Black grey (RAL Classic) come from different manufacturers. Bistro Blue reads as blue, while Black grey reads as blue-grey — two distinct hue families, not close cousins. The 7-point LRV gap — 13 for Bistro Blue vs 6 for Black grey — means Bistro Blue will open up a space more effectively. A ΔE of 34.6 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Bistro Blue vs Black grey in Real Spaces
1 real room side by side. Seeing Bistro 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.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Bistro Blue reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Bistro Blue vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Bistro 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 Bistro Blue comparisons
See how Bistro Blue stacks up against other well-photographed colors across different brands and tones.










































