Ammonite vs Old Mill Blue
Ammonite (Farrow & Ball) and Old Mill Blue (PPG) come from different manufacturers. Ammonite reads as beige-greige, while Old Mill Blue reads as blue-grey — two distinct hue families, not close cousins. The 52-point LRV gap — 69 for Ammonite vs 17 for Old Mill Blue — means Ammonite will open up a space more effectively. A ΔE of 42.3 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Ammonite vs Old Mill Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and Old Mill 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 Ammonite comparisons
See how Ammonite stacks up against other well-photographed colors across different brands and tones.
