Chicago Blues vs Black grey
Chicago Blues is a Benjamin Moore color while Black grey comes from RAL Classic. Hue-wise, Chicago Blues belongs to the blue family and Black grey to the blue-grey family. At LRV 18 vs 6, Chicago Blues will read as the brighter of the two — a 11-point gap that matters most in north-facing or low-light rooms. At ΔE 36.8, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Chicago Blues vs Black grey in Real Spaces
1 real room side by side. Seeing Chicago Blues 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 Chicago Blues will make the room feel meaningfully brighter than Black grey would.
Color Details
Chicago Blues vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Chicago Blues 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 Chicago Blues comparisons
See how Chicago Blues stacks up against other well-photographed colors across different brands and tones.










































