Charcoal Slate vs Harbor Fog
Both from Benjamin Moore's palette. Hue-wise, Charcoal Slate belongs to the grey family and Harbor Fog to the blue family. Harbor Fog (LRV 75) reflects noticeably more light than Charcoal Slate (LRV 15), a difference of 60 points that becomes especially apparent in rooms with limited natural light. Both lean blue, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 47.3, 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.
Charcoal Slate vs Harbor Fog in Real Spaces
2 real rooms side by side. Seeing Charcoal Slate and Harbor Fog 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 Harbor Fog will make the room feel meaningfully brighter than Charcoal Slate would.
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 Harbor Fog will make the room feel meaningfully brighter than Charcoal Slate would.
Color Details
Charcoal Slate vs Harbor Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Charcoal Slate on one side and Harbor Fog 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.
