Charcoal Slate vs Endless Sea
Where Charcoal Slate belongs to Benjamin Moore's range, Endless Sea is a Sherwin-Williams color. Hue-wise, Charcoal Slate belongs to the grey family and Endless Sea to the blue family. Charcoal Slate (LRV 15) reflects noticeably more light than Endless Sea (LRV 9), a difference of 6 points that becomes especially apparent in rooms with limited natural light. Charcoal Slate runs blue while Endless Sea is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 18.1, 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 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Charcoal Slate vs Endless Sea in Real Spaces
5 real rooms side by side. Seeing Charcoal Slate and Endless Sea 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 brightness difference is modest but present — Charcoal Slate gives the walls a little more lift.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Charcoal Slate reads slightly lighter here — a subtle but real difference in how open the space feels.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Charcoal Slate reads slightly lighter here — a subtle but real difference in how open the space feels.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The brightness difference is modest but present — Charcoal Slate gives the walls a little more lift.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Charcoal Slate reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Charcoal Slate vs Endless Sea Simulated Comparison
5 simulated room previews — drag the slider on each to see Charcoal Slate on one side and Endless Sea 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.


















































