Cornwall Slate vs Gossamer Veil
Both from Sherwin-Williams's palette. Cornwall Slate reads as grey, while Gossamer Veil reads as greige-grey — two distinct hue families, not close cousins. Gossamer Veil (LRV 62) reflects noticeably more light than Cornwall Slate (LRV 29), a difference of 33 points that becomes especially apparent in rooms with limited natural light. Cornwall Slate runs neutral while Gossamer Veil is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 22.0, 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.
Cornwall Slate vs Gossamer Veil in Real Spaces
5 real rooms side by side. Seeing Cornwall Slate and Gossamer Veil 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 Gossamer Veil will make the room feel meaningfully brighter than Cornwall 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. Gossamer Veil reflects noticeably more light off the walls, making the space read more open than Cornwall Slate.
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. Gossamer Veil reflects noticeably more light off the walls, making the space read more open than Cornwall Slate.
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. Gossamer Veil reflects noticeably more light off the walls, making the space read more open than Cornwall Slate.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Gossamer Veil reflects noticeably more light off the walls, making the space read more open than Cornwall Slate.
Color Details
Cornwall Slate vs Gossamer Veil Simulated Comparison
5 simulated room previews — drag the slider on each to see Cornwall Slate on one side and Gossamer Veil 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 Cornwall Slate comparisons
See how Cornwall Slate stacks up against other well-photographed colors across different brands and tones.
Ammonite reflects far more light (LRV 69 vs 29), opening up a space where Cornwall Slate encloses it.
At LRV 83 vs 29, White Dove is decisively the brighter choice.
At LRV 29 vs 6, Cornwall Slate is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 29), opening up a space where Cornwall Slate encloses it.
With LRVs of 30 and 29, the two reflect almost the same amount of light.
At LRV 52 vs 29, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 29), opening up a space where Cornwall Slate encloses it.
At LRV 58 vs 29, Accessible Beige is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 29 vs 27), so neither reads brighter in a room.
French Gray reflects far more light (LRV 43 vs 29), opening up a space where Cornwall Slate encloses it.
Cornwall Slate reflects far more light (LRV 29 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 29, Tranquil Dawn is decisively the brighter choice.
At LRV 29 vs 13, Cornwall Slate is decisively the brighter choice.
At LRV 44 vs 29, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 29), opening up a space where Cornwall Slate encloses it.
Cornwall Slate reads slightly lighter (LRV 29 vs 21), a gap that shows most in low-lit rooms.
At LRV 66 vs 29, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 29, Shoji White is decisively the brighter choice.
At LRV 83 vs 29, Snowbound is decisively the brighter choice.
Pigeon reflects far more light (LRV 51 vs 29), opening up a space where Cornwall Slate encloses it.
At LRV 29 vs 12, Cornwall Slate is decisively the brighter choice.
At LRV 29 vs 8, Cornwall Slate is decisively the brighter choice.
At LRV 68 vs 29, Skimming Stone is decisively the brighter choice.
Dix Blue reads slightly lighter (LRV 41 vs 29), a gap that shows most in low-lit rooms.
At LRV 29 vs 12, Cornwall Slate is decisively the brighter choice.
At LRV 45 vs 29, Saybrook Sage is decisively the brighter choice.
With LRVs of 31 and 29, the two reflect almost the same amount of light.