Ammonite vs Thunder Bay
Where Ammonite belongs to Farrow & Ball's range, Thunder Bay is a PPG color. Hue-wise, Ammonite belongs to the beige-greige family and Thunder Bay to the blue family. They have nearly identical light reflectance values (69 vs 70), so they'll read as similarly Light in most lighting conditions. The ΔE 7.8 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. 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 Thunder Bay Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and Thunder Bay 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.
At LRV 83 vs 69, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 52), opening up a space where Purbeck Stone encloses it.
Ammonite reflects far more light (LRV 69 vs 30), opening up a space where Evergreen Fog encloses it.
Ammonite reads slightly lighter (LRV 69 vs 60), a gap that shows most in low-lit rooms.
A 11-point LRV gap (69 vs 58) makes Ammonite the marginally brighter of the two.
At LRV 69 vs 27, Ammonite is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 43), opening up a space where French Gray encloses it.
At LRV 69 vs 55, Ammonite is decisively the brighter choice.
At LRV 69 vs 44, Ammonite is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 69), opening up a space where Ammonite encloses it.
A 3-point LRV gap (69 vs 66) makes Ammonite the marginally brighter of the two.
A 5-point LRV gap (74 vs 69) makes Shoji White the marginally brighter of the two.
At LRV 69 vs 12, Ammonite is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 69 vs 68), so neither reads brighter in a room.
At LRV 69 vs 12, Ammonite is decisively the brighter choice.
At LRV 69 vs 45, Ammonite is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 31), opening up a space where Pale Green encloses it.
Ammonite reflects far more light (LRV 69 vs 7), opening up a space where Pine Needle encloses it.
Ammonite reflects far more light (LRV 69 vs 24), opening up a space where Cement grey encloses it.
Ammonite reads slightly lighter (LRV 69 vs 57), a gap that shows most in low-lit rooms.
Just Walnut reads slightly lighter (LRV 72 vs 69), a gap that shows most in low-lit rooms.