Black grey vs Pastel blue
Both from RAL Classic's palette. Hue-wise, Black grey belongs to the blue-grey family and Pastel blue to the blue family. Pastel blue (LRV 29) reflects noticeably more light than Black grey (LRV 6), a difference of 22 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 42.4, 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.
Black grey vs Pastel blue in Real Spaces
1 real room side by side. Seeing Black grey and Pastel blue 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
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Pastel blue will make the room feel meaningfully brighter than Black grey would.
Color Details
Black grey vs Pastel blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Black grey on one side and Pastel 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 Black grey comparisons
See how Black grey stacks up against other well-photographed colors across different brands and tones.
