Match Blue Grotto
Sherwin-Williams Blue Grotto is a deep, low-reflectance shade, cool in character with an LRV of NaN. The matches below are ranked by ΔE, a perceptual color-difference score.
View full Blue Grotto color page →
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.
Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Venetian Crystal 2 encloses it. At ΔE 2.9 you'd need them side by side to tell them apart.
At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice. The ΔE 3.3 gap is real but not dramatic — distinct as a choice, harmonious together.
At LRV NaN vs NaN, Dignity Blue is decisively the brighter choice. The ΔE 3.4 gap is real but not dramatic — distinct as a choice, harmonious together.
Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Caribbean Azure encloses it. At ΔE 3.7 they're clearly different, yet close enough to share a room.
At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice. The ΔE 6.3 gap is real but not dramatic — distinct as a choice, harmonious together.
Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Gentian blue encloses it. At ΔE 6.7 they're clearly different, yet close enough to share a room.
Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Mazarine encloses it. At ΔE 7.2 they're clearly different, yet close enough to share a room.
At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice. The ΔE 9.6 gap is real but not dramatic — distinct as a choice, harmonious together.
Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Statement Blue encloses it. At ΔE 10.6 these are two genuinely different directions, not variations on a theme.
Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Queen of the Night encloses it. At ΔE 10.9 these are two genuinely different directions, not variations on a theme.
At LRV NaN vs NaN, N434 is decisively the brighter choice. A ΔE of 11.2 puts them firmly in different territory — a strong contrast if combined.
Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Stiffkey Blue encloses it. At ΔE 17.7 these are two genuinely different directions, not variations on a theme.
Passageway reflects far more light (LRV NaN vs NaN), opening up a space where Blue Grotto encloses it. At ΔE 22.1 these are two genuinely different directions, not variations on a theme.
At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice. A ΔE of 26.4 puts them firmly in different territory — a strong contrast if combined.