Match Sea Mariner
Sherwin-Williams Sea Mariner is a deep, low-reflectance shade, cool in character with an LRV of 7. The matches below are the closest equivalents available across every brand on Pontata, ranked by ΔE — a perceptual color difference score. A ΔE under 3 is subtle; under 10 is noticeable but harmonious; above 25 means genuinely different colors.
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Sea Mariner
9640#434A54LRV 7Cool
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.
Sea Mariner
Nocturnal Green
Nocturnal Green
5011-1 · LRV 3
Sea Mariner reads slightly lighter