Charcoal Slate vs Calamine
Where Charcoal Slate belongs to Benjamin Moore's range, Calamine is a Farrow & Ball color. Hue-wise, Charcoal Slate belongs to the grey family and Calamine to the pink-red family. Calamine (LRV 68) reflects noticeably more light than Charcoal Slate (LRV 15), a difference of 53 points that becomes especially apparent in rooms with limited natural light. Charcoal Slate runs blue while Calamine is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 43.2, 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 7 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Charcoal Slate vs Calamine in Real Spaces
7 real rooms side by side. Seeing Charcoal Slate and Calamine 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 Calamine will make the room feel meaningfully brighter than Charcoal Slate 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. Calamine reflects noticeably more light off the walls, making the space read more open than Charcoal Slate.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Calamine reflects noticeably more light off the walls, making the space read more open than Charcoal Slate.
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. Calamine returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Calamine reflects noticeably more light off the walls, making the space read more open than Charcoal Slate.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Calamine will make the room feel meaningfully brighter than Charcoal Slate would.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Calamine reflects noticeably more light off the walls, making the space read more open than Charcoal Slate.
Color Details
Charcoal Slate vs Calamine Simulated Comparison
5 simulated room previews — drag the slider on each to see Charcoal Slate on one side and Calamine 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 Charcoal Slate comparisons
See how Charcoal Slate stacks up against other well-photographed colors across different brands and tones.
