Ammonite vs Celestial Blue
Where Ammonite belongs to Farrow & Ball's range, Celestial Blue is a Little Greene color. Ammonite reads as beige-greige, while Celestial Blue reads as blue-green — two distinct hue families, not close cousins. Ammonite (LRV 69) reflects noticeably more light than Celestial Blue (LRV 44), a difference of 25 points that becomes especially apparent in rooms with limited natural light. Ammonite runs warm while Celestial Blue is decidedly green, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 16.4, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Ammonite vs Celestial Blue in Real Spaces
2 real rooms side by side. Seeing Ammonite and Celestial Blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Ammonite will make the room feel meaningfully brighter than Celestial Blue would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Ammonite reflects noticeably more light off the walls, making the space read more open than Celestial Blue.
Color Details
Ammonite vs Celestial Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and Celestial 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.
