Grey Blue vs Slate grey
Both are RAL Classic colors. At LRV 12 vs 7, Slate grey will read as the brighter of the two — a 4-point gap that matters most in north-facing or low-light rooms. At ΔE 4.4, the difference is perceptible but not dramatic — the two can work harmoniously in the same space.
Grey Blue vs Slate grey Color Comparison
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.
Color Details
Grey Blue vs Slate grey in Real Spaces
Grey Blue and Slate grey are close enough that the difference can be hard to judge from a chip alone. These real-room photos show how each reads at scale, across different spaces and lighting conditions. Showing 4 room types where both colors have photos.
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 — Slate grey gives the walls a little more lift.
@huisjevanalles
@yarko_sichevskyi
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 — Slate grey gives the walls a little more lift.
@bungalow_in_brokdorf
@hausanthrazit
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. Slate grey has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
@waclawik_okna
@xtremedoor
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The brightness difference is modest but present — Slate grey gives the walls a little more lift.
@ilo.nove_homestory
@colourmycrib
More Grey Blue comparisons
See how Grey Blue stacks up against other well-photographed colors across different brands and tones.
Light vs dark contrast
RAL Classic vs Benjamin Moore
Light vs dark contrast
RAL Classic vs Farrow & Ball
RAL Classic vs Sherwin-Williams
RAL Classic vs Sherwin-Williams
Light vs dark contrast
RAL Classic vs Farrow & Ball
Light vs dark contrast
RAL Classic vs Sherwin-Williams
Light vs dark contrast
RAL Classic vs Farrow & Ball
Light vs dark contrast
RAL Classic vs Sherwin-Williams
Denim Drift reads lighter
RAL Classic vs Dulux
Light vs dark contrast
RAL Classic vs Dulux
Light vs dark contrast
RAL Classic vs Benjamin Moore
RAL Classic vs Benjamin Moore
RAL Classic vs Benjamin Moore
Light vs dark contrast
RAL Classic
RAL Classic vs Dulux
RAL Classic vs Dulux
Cement grey reads lighter
RAL Classic
Two RAL Classic colors
RAL Classic
Light vs dark contrast
RAL Classic vs Jotun
Light vs dark contrast
RAL Classic vs Little Greene
Light vs dark contrast
RAL Classic vs Jotun
RAL Classic vs Little Greene
RAL Classic vs Little Greene
Light vs dark contrast
RAL Classic vs Jotun
Tea with Florence reads lighter
RAL Classic vs Little Greene
RAL Classic vs Behr
RAL Classic vs Behr
Light vs dark contrast
RAL Classic vs Behr
Light vs dark contrast
RAL Classic vs Behr
Light vs dark contrast
RAL Classic vs RAL Effect
Light vs dark contrast
RAL Classic vs RAL Effect
Light vs dark contrast
RAL Classic vs RAL Effect
RAL Classic vs NCS
RAL Classic vs NCS
Light vs dark contrast
RAL Classic vs NCS
Light vs dark contrast
RAL Classic vs NCS