Spectra Blue vs Ammonite
Where Spectra Blue belongs to Benjamin Moore's range, Ammonite is a Farrow & Ball color. Hue-wise, Spectra Blue belongs to the blue family and Ammonite to the beige-greige family. Ammonite (LRV 69) reflects noticeably more light than Spectra Blue (LRV 56), a difference of 13 points that becomes especially apparent in rooms with limited natural light. Spectra Blue runs blue while Ammonite is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 21.9, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Spectra Blue vs Ammonite in Real Spaces
1 real room side by side. Seeing Spectra Blue and Ammonite in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Ammonite reflects noticeably more light off the walls, making the space read more open than Spectra Blue.
Color Details
Spectra Blue vs Ammonite Simulated Comparison
5 simulated room previews — drag the slider on each to see Spectra Blue on one side and Ammonite 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 Spectra Blue comparisons
See how Spectra Blue stacks up against other well-photographed colors across different brands and tones.










































