Match Harbor Side Blue
Benjamin Moore Harbor Side Blue is a mid-tone shade, cool in character with an LRV of 40. 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 40 vs 38), so neither reads brighter in a room. The ΔE 3.8 gap is real but not dramatic — distinct as a choice, harmonious together.



A 5-point LRV gap (40 vs 35) makes Harbor Side Blue the marginally brighter of the two. The ΔE 4.2 gap is real but not dramatic — distinct as a choice, harmonious together.


A 4-point LRV gap (40 vs 37) makes Harbor Side Blue the marginally brighter of the two. The ΔE 4.4 gap is real but not dramatic — distinct as a choice, harmonious together.



Mariner reads slightly lighter (LRV 46 vs 40), a gap that shows most in low-lit rooms. At ΔE 5.0 they're clearly different, yet close enough to share a room.



Their light reflectance is nearly identical (LRV 40 vs 40), so neither reads brighter in a room. The ΔE 6.7 gap is real but not dramatic — distinct as a choice, harmonious together.



Enchanted Evening reads slightly lighter (LRV 48 vs 40), a gap that shows most in low-lit rooms. At ΔE 7.6 they're clearly different, yet close enough to share a room.


A 4-point LRV gap (40 vs 36) makes Harbor Side Blue the marginally brighter of the two. The ΔE 8.7 gap is real but not dramatic — distinct as a choice, harmonious together.



Light green reads slightly lighter (LRV 44 vs 40), a gap that shows most in low-lit rooms. At ΔE 8.8 they're clearly different, yet close enough to share a room.


Harbor Side Blue reads slightly lighter (LRV 40 vs 30), a gap that shows most in low-lit rooms. At ΔE 10.8 these are two genuinely different directions, not variations on a theme.


At ΔE 16.8 these are two genuinely different directions, not variations on a theme.



Harbor Side Blue reflects far more light (LRV 40 vs 26), opening up a space where Sea Emerald encloses it. At ΔE 18.0 these are two genuinely different directions, not variations on a theme.



A 11-point LRV gap (40 vs 29) makes Harbor Side Blue the marginally brighter of the two. A ΔE of 18.1 puts them firmly in different territory — a strong contrast if combined.



At LRV 40 vs 27, Harbor Side Blue is decisively the brighter choice. A ΔE of 20.5 puts them firmly in different territory — a strong contrast if combined.


Their light reflectance is nearly identical (LRV 40 vs 40), so neither reads brighter in a room. A ΔE of 21.8 puts them firmly in different territory — a strong contrast if combined.

