Ammonite vs Slate Lavender
Where Ammonite belongs to Farrow & Ball's range, Slate Lavender is a Jotun color. Hue-wise, Ammonite belongs to the beige-greige family and Slate Lavender to the grey family. Ammonite (LRV 69) reflects noticeably more light than Slate Lavender (LRV 25), a difference of 44 points that becomes especially apparent in rooms with limited natural light. Ammonite runs warm while Slate Lavender is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 30.4, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Ammonite vs Slate Lavender in Real Spaces
3 real rooms side by side. Seeing Ammonite and Slate Lavender 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 Slate Lavender 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 Slate Lavender.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. Ammonite returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Ammonite vs Slate Lavender Simulated Comparison
5 simulated room previews — drag the slider on each to see Ammonite on one side and Slate Lavender 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.
