Black grey vs Vast Sky
Black grey (RAL Classic) and Vast Sky (Sherwin-Williams) come from different manufacturers. Black grey reads as blue-grey, while Vast Sky reads as blue — two distinct hue families, not close cousins. The 48-point LRV gap — 55 for Vast Sky vs 6 for Black grey — means Vast Sky will open up a space more effectively. A ΔE of 59.6 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Black grey vs Vast Sky in Real Spaces
2 real rooms side by side. Seeing Black grey and Vast Sky 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
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Vast Sky reflects noticeably more light off the walls, making the space read more open than Black grey.
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. Vast Sky reflects noticeably more light off the walls, making the space read more open than Black grey.
Color Details
Black grey vs Vast Sky Simulated Comparison
5 simulated room previews — drag the slider on each to see Black grey on one side and Vast Sky 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.
