Cool Charcoal vs On The Edge
Both are PPG colors. These are both greys, so the question isn't which hue to choose — it's where within grey to land. With LRVs of 20 and 19, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 1.0, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 10 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cool Charcoal vs On The Edge in Real Spaces
10 real rooms side by side. Cool Charcoal and On The Edge are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. In photos like these you're seeing the difference at its most direct. In a finished room, the distinction is there but not dramatic.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Kitchen
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Dining Room
Dining room light is typically the warmest in the house, which shifts both colors toward the red end of the spectrum compared to daylight. At this scale the difference is subtle — you'd need them side by side, as shown here, to reliably tell them apart.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Home Office
In a home office, wall color sits in your peripheral vision for hours at a time, so temperature and undertone matter more than you might expect. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Mudroom
A mudroom color needs to hold up under the most casual scrutiny: a glance as you're coming and going, often in mixed or artificial light. At this scale the difference is subtle — you'd need them side by side, as shown here, to reliably tell them apart.
Patio
Patio colors are seen under changing outdoor light throughout the day — morning, midday, and golden hour each reveal different qualities. At this scale the difference is subtle — you'd need them side by side, as shown here, to reliably tell them apart.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Front Door
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. In photos like these you're seeing the difference at its most direct. In a finished room, the distinction is there but not dramatic.
Color Details
Cool Charcoal vs On The Edge Simulated Comparison
5 simulated room previews — drag the slider on each to see Cool Charcoal on one side and On The Edge 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 Cool Charcoal comparisons
See how Cool Charcoal stacks up against other well-photographed colors across different brands and tones.
Ammonite reflects far more light (LRV 69 vs 20), opening up a space where Cool Charcoal encloses it.
At LRV 83 vs 20, White Dove is decisively the brighter choice.
At LRV 20 vs 6, Cool Charcoal is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 20), opening up a space where Cool Charcoal encloses it.
Evergreen Fog reads slightly lighter (LRV 30 vs 20), a gap that shows most in low-lit rooms.
At LRV 52 vs 20, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 20), opening up a space where Cool Charcoal encloses it.
At LRV 58 vs 20, Accessible Beige is decisively the brighter choice.
A 7-point LRV gap (27 vs 20) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 20), opening up a space where Cool Charcoal encloses it.
Cool Charcoal reflects far more light (LRV 20 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 20, Tranquil Dawn is decisively the brighter choice.
A 7-point LRV gap (20 vs 13) makes Cool Charcoal the marginally brighter of the two.
At LRV 44 vs 20, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 20), opening up a space where Cool Charcoal encloses it.
With LRVs of 21 and 20, the two reflect almost the same amount of light.
At LRV 66 vs 20, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 20, Shoji White is decisively the brighter choice.
At LRV 83 vs 20, Snowbound is decisively the brighter choice.
Pigeon reflects far more light (LRV 51 vs 20), opening up a space where Cool Charcoal encloses it.
A 8-point LRV gap (20 vs 12) makes Cool Charcoal the marginally brighter of the two.
A 12-point LRV gap (20 vs 8) makes Cool Charcoal the marginally brighter of the two.
At LRV 68 vs 20, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 20), opening up a space where Cool Charcoal encloses it.
A 8-point LRV gap (20 vs 12) makes Cool Charcoal the marginally brighter of the two.
At LRV 45 vs 20, Saybrook Sage is decisively the brighter choice.
Pale Green reads slightly lighter (LRV 31 vs 20), a gap that shows most in low-lit rooms.