RAL 820-4 vs Mineral Gray
RAL 820-4 is a RAL Effect color while Mineral Gray comes from Sherwin-Williams. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. At LRV 23 vs 9, RAL 820-4 will read as the brighter of the two — a 13-point gap that matters most in north-facing or low-light rooms. At ΔE NaN, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 820-4 vs Mineral Gray in Real Spaces
2 real rooms side by side. Seeing RAL 820-4 and Mineral Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that RAL 820-4 will make the room feel meaningfully brighter than Mineral Gray would.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that RAL 820-4 will make the room feel meaningfully brighter than Mineral Gray would.
Color Details
RAL 820-4 vs Mineral Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 820-4 on one side and Mineral Gray 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 RAL 820-4 comparisons
See how RAL 820-4 stacks up against other well-photographed colors across different brands and tones.
