Match Porpoise
Sherwin-Williams Porpoise is a deep, low-reflectance shade, warm in character with an LRV of 13. The matches below are ranked by ΔE, a perceptual color-difference score.
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Closest matches across every brand
One match per brand, ranked by ΔE — a perceptual color difference score calculated from Lab color space values. Lower is closer. Click any card to compare side by side in simulated rooms.
Their light reflectance is nearly identical (LRV 15 vs 13), so neither reads brighter in a room. A ΔE of 0.8 means the difference barely reads in a finished room.
Quartz grey reads slightly lighter (LRV 17 vs 13), a gap that shows most in low-lit rooms. At ΔE 1.3 you'd need them side by side to tell them apart.
With LRVs of 13 and 13, the two reflect almost the same amount of light. At ΔE 1.5 you'd need them side by side to tell them apart.
With LRVs of 13 and 13, the two reflect almost the same amount of light. At ΔE 1.8 you'd need them side by side to tell them apart.
With LRVs of 15 and 13, the two reflect almost the same amount of light. At ΔE 2.5 you'd need them side by side to tell them apart.
With LRVs of 15 and 13, the two reflect almost the same amount of light. At ΔE 3.7 they're clearly different, yet close enough to share a room.
With LRVs of 14 and 13, the two reflect almost the same amount of light. At ΔE 4.5 they're clearly different, yet close enough to share a room.
