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.

View full Sea Mariner color page →
Sea Mariner
Sherwin-Williams
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.

Hale Navy
Sea Mariner
Hale Navy vs Sea Mariner
Hale Navy
Sea Mariner
Benjamin Moore
Hale Navy
HC-154 · LRV 8
Sherwin-Williams
Sea Mariner
9640 · LRV 7

Their light reflectance is nearly identical (LRV 8 vs 7), so neither reads brighter in a room. A ΔE of 0.8 means the difference barely reads in a finished room.

Compare ↔ΔE 0.8Imperceptible
Grey Blue
Sea Mariner
Grey Blue vs Sea Mariner
Grey Blue
Sea Mariner
RAL ClassicClassic
Grey Blue
RAL 5008 · LRV 7
Sherwin-Williams
Sea Mariner
9640 · LRV 7

With LRVs of 7 and 7, the two reflect almost the same amount of light. At ΔE 1.0 you'd need them side by side to tell them apart.

Compare ↔ΔE 1.0Subtle
RAL 820-6
Sea Mariner
RAL 820-6 vs Sea Mariner
RAL 820-6
Sea Mariner
RAL EffectEffect
RAL 820-6
RAL 820-6 · LRV 7
Sherwin-Williams
Sea Mariner
9640 · LRV 7

With LRVs of 7 and 7, the two reflect almost the same amount of light. At ΔE 1.5 you'd need them side by side to tell them apart.

Compare ↔ΔE 1.5Subtle
Dark Navy
Sea Mariner
Dark Navy vs Sea Mariner
Dark Navy
Sea Mariner
Cloverdale Paint
Dark Navy
EX162 · LRV 6
Sherwin-Williams
Sea Mariner
9640 · LRV 7

With LRVs of 7 and 6, the two reflect almost the same amount of light. At ΔE 2.2 you'd need them side by side to tell them apart.

Compare ↔ΔE 2.2Subtle
Starless Night
Sea Mariner
Starless Night vs Sea Mariner
Starless Night
Sea Mariner
Behr
Starless Night
PPU14-20 · LRV 7
Sherwin-Williams
Sea Mariner
9640 · LRV 7

Their light reflectance is nearly identical (LRV 7 vs 7), so neither reads brighter in a room. A ΔE of 2.4 means the difference barely reads in a finished room.

Compare ↔ΔE 2.4Subtle
Sea Mariner
Sea Serpent
Sea Mariner vs Sea Serpent
Sea Mariner
Sea Serpent
Sherwin-Williams
Sea Mariner
9640 · LRV 7
Sherwin-Williams
Sea Serpent
7615 · LRV 7

Their light reflectance is nearly identical (LRV 7 vs 7), so neither reads brighter in a room. A ΔE of 2.5 means the difference barely reads in a finished room.

Compare ↔ΔE 2.5Subtle
Cavalry
Sea Mariner
Cavalry vs Sea Mariner
Cavalry
Sea Mariner
PPG
Cavalry
PPG1041-7 · LRV 7
Sherwin-Williams
Sea Mariner
9640 · LRV 7

Their light reflectance is nearly identical (LRV 7 vs 7), so neither reads brighter in a room. The ΔE 3.3 gap is real but not dramatic — distinct as a choice, harmonious together.

Compare ↔ΔE 3.3Noticeable
Sapphire Splendor
Sea Mariner
Sapphire Splendor vs Sea Mariner
Sapphire Splendor
Sea Mariner
Sherwin-Williams
Sea Mariner
9640 · LRV 7

With LRVs of 7 and 5, the two reflect almost the same amount of light. At ΔE 3.5 they're clearly different, yet close enough to share a room.

Compare ↔ΔE 3.5Noticeable
Hague Blue
Sea Mariner
Hague Blue vs Sea Mariner
Hague Blue
Sea Mariner
Farrow & Ball
Hague Blue
30 · LRV 7
Sherwin-Williams
Sea Mariner
9640 · LRV 7

Their light reflectance is nearly identical (LRV 7 vs 7), so neither reads brighter in a room. The ΔE 4.0 gap is real but not dramatic — distinct as a choice, harmonious together.

Compare ↔ΔE 4.0Noticeable
Sea Mariner
Sea Mariner vs Denim
Sea Mariner
Denim
Sherwin-Williams
Sea Mariner
9640 · LRV 7
Tikkurila
Denim
N429 · LRV 8

Their light reflectance is nearly identical (LRV 8 vs 7), so neither reads brighter in a room. The ΔE 4.6 gap is real but not dramatic — distinct as a choice, harmonious together.

Compare ↔ΔE 4.6Noticeable
Blackened Black
Sea Mariner
Blackened Black vs Sea Mariner
Blackened Black
Sea Mariner
Jotun
Blackened Black
9938 · LRV 7
Sherwin-Williams
Sea Mariner
9640 · LRV 7

Their light reflectance is nearly identical (LRV 7 vs 7), so neither reads brighter in a room. The ΔE 7.5 gap is real but not dramatic — distinct as a choice, harmonious together.

Compare ↔ΔE 7.5Noticeable
Dock Blue
Sea Mariner
Dock Blue vs Sea Mariner
Dock Blue
Sea Mariner
Little Greene
Dock Blue
252 · LRV 4
Sherwin-Williams
Sea Mariner
9640 · LRV 7

Their light reflectance is nearly identical (LRV 7 vs 4), so neither reads brighter in a room. The ΔE 8.6 gap is real but not dramatic — distinct as a choice, harmonious together.

Compare ↔ΔE 8.6Noticeable
S 7500-N
Sea Mariner
S 7500-N vs Sea Mariner
S 7500-N
Sea Mariner
NCS
S 7500-N
S 7500-N · LRV 8
Sherwin-Williams
Sea Mariner
9640 · LRV 7

Their light reflectance is nearly identical (LRV 8 vs 7), so neither reads brighter in a room. The ΔE 8.7 gap is real but not dramatic — distinct as a choice, harmonious together.

Compare ↔ΔE 8.7Noticeable
Sea Mariner
Nocturnal Green
Sea Mariner vs Nocturnal Green
Sea Mariner
Nocturnal Green
Sherwin-Williams
Sea Mariner
9640 · LRV 7
Valspar
Nocturnal Green
5011-1 · LRV 3

A 3-point LRV gap (7 vs 3) makes Sea Mariner the marginally brighter of the two. A ΔE of 11.6 puts them firmly in different territory — a strong contrast if combined.

Compare ↔ΔE 11.6Distinct