Match Portsmouth
Sherwin-Williams Portsmouth is a deep, low-reflectance shade, neutral in character with an LRV of 22. 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 24 vs 22), so neither reads brighter in a room. A ΔE of 0.6 means the difference barely reads in a finished room.
With LRVs of 22 and 22, the two reflect almost the same amount of light. At ΔE 1.7 you'd need them side by side to tell them apart.
Their light reflectance is nearly identical (LRV 22 vs 20), so neither reads brighter in a room. A ΔE of 1.8 means the difference barely reads in a finished room.
With LRVs of 23 and 22, the two reflect almost the same amount of light. At ΔE 1.9 you'd need them side by side to tell them apart.
Their light reflectance is nearly identical (LRV 23 vs 22), so neither reads brighter in a room. A ΔE of 2.1 means the difference barely reads in a finished room.
Their light reflectance is nearly identical (LRV 25 vs 22), so neither reads brighter in a room. The ΔE 3.5 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 22 and 20, the two reflect almost the same amount of light. At ΔE 3.8 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 23 vs 22), so neither reads brighter in a room. The ΔE 4.1 gap is real but not dramatic — distinct as a choice, harmonious together.
Their light reflectance is nearly identical (LRV 23 vs 22), so neither reads brighter in a room. The ΔE 4.4 gap is real but not dramatic — distinct as a choice, harmonious together.
A 4-point LRV gap (25 vs 22) makes Telegrey 2 the marginally brighter of the two. The ΔE 4.5 gap is real but not dramatic — distinct as a choice, harmonious together.
A 3-point LRV gap (22 vs 19) makes Portsmouth the marginally brighter of the two. The ΔE 5.0 gap is real but not dramatic — distinct as a choice, harmonious together.
A 6-point LRV gap (28 vs 22) makes S 4010-B70G the marginally brighter of the two. The ΔE 6.1 gap is real but not dramatic — distinct as a choice, harmonious together.
Tidepool Wonder reads slightly lighter (LRV 27 vs 22), a gap that shows most in low-lit rooms. At ΔE 6.3 they're clearly different, yet close enough to share a room.