Clam Shell vs Purity
Clam Shell and Purity come from the same PPG collection. Clam Shell reads as greige-grey, while Purity reads as beige — two distinct hue families, not close cousins. The 62-point LRV gap — 80 for Purity vs 18 for Clam Shell — means Purity will open up a space more effectively. A ΔE of 42.6 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Clam Shell vs Purity Simulated Comparison
5 simulated room previews — drag the slider on each to see Clam Shell on one side and Purity 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 Clam Shell comparisons
See how Clam Shell stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 18, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 18), opening up a space where Clam Shell encloses it.
Clam Shell reflects far more light (LRV 18 vs 6), opening up a space where Iron Ore encloses it.
At LRV 52 vs 18, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 18, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 18), opening up a space where Clam Shell encloses it.
At LRV 60 vs 18, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 18), opening up a space where Clam Shell encloses it.
Denim Drift reads slightly lighter (LRV 27 vs 18), a gap that shows most in low-lit rooms.
At LRV 43 vs 18, French Gray is decisively the brighter choice.
At LRV 18 vs 4, Clam Shell is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 18), opening up a space where Clam Shell encloses it.
Clam Shell reads slightly lighter (LRV 18 vs 13), a gap that shows most in low-lit rooms.
Hardwick White reflects far more light (LRV 44 vs 18), opening up a space where Clam Shell encloses it.
At LRV 84 vs 18, Pure White is decisively the brighter choice.
A 3-point LRV gap (21 vs 18) makes Artichoke the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 18), opening up a space where Clam Shell encloses it.
Shoji White reflects far more light (LRV 74 vs 18), opening up a space where Clam Shell encloses it.
Snowbound reflects far more light (LRV 83 vs 18), opening up a space where Clam Shell encloses it.
At LRV 51 vs 18, Pigeon is decisively the brighter choice.
Clam Shell reads slightly lighter (LRV 18 vs 12), a gap that shows most in low-lit rooms.
Clam Shell reads slightly lighter (LRV 18 vs 8), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 18), opening up a space where Clam Shell encloses it.
At LRV 41 vs 18, Dix Blue is decisively the brighter choice.
Clam Shell reads slightly lighter (LRV 18 vs 12), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 18), opening up a space where Clam Shell encloses it.
At LRV 31 vs 18, Pale Green is decisively the brighter choice.