Portland Stone vs Black grey
Portland Stone (Little Greene) and Black grey (RAL Classic) come from different manufacturers. Hue-wise, Portland Stone belongs to the beige-greige family and Black grey to the blue-grey family. The 49-point LRV gap — 55 for Portland Stone vs 6 for Black grey — means Portland Stone will open up a space more effectively. A ΔE of 61.0 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.
Portland Stone vs Black grey in Real Spaces
1 real room side by side. Seeing Portland Stone 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
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. Portland Stone reflects noticeably more light off the walls, making the space read more open than Black grey.
Color Details
Portland Stone vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Portland Stone 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 Portland Stone comparisons
See how Portland Stone stacks up against other well-photographed colors across different brands and tones.
