Mined Coal vs Grey Blue
Mined Coal (Behr) and Grey Blue (RAL Classic) come from different manufacturers. Hue-wise, Mined Coal belongs to the grey family and Grey Blue to the blue-grey family. The 7-point LRV gap — 15 for Mined Coal vs 7 for Grey Blue — means Mined Coal will open up a space more effectively. A ΔE of 16.6 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.
Mined Coal vs Grey Blue in Real Spaces
2 real rooms side by side. Seeing Mined Coal and Grey Blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Mined Coal has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Mined Coal has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Mined Coal vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Mined Coal on one side and Grey 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 Mined Coal comparisons
See how Mined Coal stacks up against other well-photographed colors across different brands and tones.
