RAL 820-4 vs Mellow Mauve
RAL 820-4 (RAL Effect) and Mellow Mauve (Sherwin-Williams) come from different manufacturers. Hue-wise, RAL 820-4 belongs to the blue-grey family and Mellow Mauve to the beige family. The 12-point LRV gap — 35 for Mellow Mauve vs 23 for RAL 820-4 — means Mellow Mauve will open up a space more effectively. A ΔE of NaN 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.
RAL 820-4 vs Mellow Mauve in Real Spaces
2 real rooms side by side. Seeing RAL 820-4 and Mellow Mauve in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Mellow Mauve returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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. Mellow Mauve returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
RAL 820-4 vs Mellow Mauve Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 820-4 on one side and Mellow Mauve 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.












































