Ammonite vs RAL 820-3
Ammonite is a Farrow & Ball color while RAL 820-3 comes from RAL Effect. Hue-wise, Ammonite belongs to the beige-greige family and RAL 820-3 to the grey family. At LRV 69 vs 29, Ammonite will read as the brighter of the two — a 40-point gap that matters most in north-facing or low-light rooms. At ΔE 26.9, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Ammonite vs RAL 820-3 in Real Spaces
3 real rooms side by side. Seeing Ammonite and RAL 820-3 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 LRV gap is large enough that Ammonite will make the room feel meaningfully brighter than RAL 820-3 would.
Kitchen
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The LRV gap is large enough that Ammonite will make the room feel meaningfully brighter than RAL 820-3 would.
Color Details
Ammonite vs RAL 820-3 Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and RAL 820-3 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 Ammonite comparisons
See how Ammonite stacks up against other well-photographed colors across different brands and tones.














































