Match Lagoon
Sherwin-Williams Lagoon is a deep, low-reflectance shade, cool in character with an LRV of 20. 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.
With LRVs of 20 and 20, the two reflect almost the same amount of light. At ΔE 1.4 you'd need them side by side to tell them apart.
Their light reflectance is nearly identical (LRV 21 vs 20), so neither reads brighter in a room. A ΔE of 2.7 means the difference barely reads in a finished room.
Their light reflectance is nearly identical (LRV 23 vs 20), so neither reads brighter in a room. The ΔE 4.7 gap is real but not dramatic — distinct as a choice, harmonious together.
Their light reflectance is nearly identical (LRV 21 vs 20), so neither reads brighter in a room. The ΔE 4.8 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 21 and 20, the two reflect almost the same amount of light. At ΔE 5.3 they're clearly different, yet close enough to share a room.
Vintage Teal reads slightly lighter (LRV 25 vs 20), a gap that shows most in low-lit rooms. At ΔE 8.1 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 20 vs 18), so neither reads brighter in a room. The ΔE 8.3 gap is real but not dramatic — distinct as a choice, harmonious together.
Sea Emerald reads slightly lighter (LRV 26 vs 20), a gap that shows most in low-lit rooms. At ΔE 9.3 they're clearly different, yet close enough to share a room.
A 6-point LRV gap (27 vs 20) makes Tidepool Wonder the marginally brighter of the two. A ΔE of 11.4 puts them firmly in different territory — a strong contrast if combined.
S 4010-B70G reads slightly lighter (LRV 28 vs 20), a gap that shows most in low-lit rooms. At ΔE 13.5 these are two genuinely different directions, not variations on a theme.