Grey Blue vs Black Magic
Grey Blue is a RAL Classic color while Black Magic comes from Sherwin-Williams. Grey Blue reads as blue-grey, while Black Magic reads as grey — two distinct hue families, not close cousins. At LRV 7 vs 3, Grey Blue will read as the brighter of the two — a 4-point gap that matters most in north-facing or low-light rooms. At ΔE 13.2, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Grey Blue vs Black Magic in Real Spaces
4 real rooms side by side. Seeing Grey Blue and Black Magic in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The brightness difference is modest but present — Grey Blue gives the walls a little more lift.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The brightness difference is modest but present — Grey Blue gives the walls a little more lift.
Front Door
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. Grey Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The brightness difference is modest but present — Grey Blue gives the walls a little more lift.
Color Details
Grey Blue vs Black Magic Simulated Comparison
5 simulated room previews — drag the slider on each to see Grey Blue on one side and Black Magic 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 Grey Blue comparisons
See how Grey Blue stacks up against other well-photographed colors across different brands and tones.
















































