Match Regale Blue
Sherwin-Williams Regale Blue is a mid-tone shade, cool in character with an LRV of 42. 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 44 and 42, the two reflect almost the same amount of light. At ΔE 1.1 you'd need them side by side to tell them apart.
With LRVs of 44 and 42, the two reflect almost the same amount of light. At ΔE 2.3 you'd need them side by side to tell them apart.
A 5-point LRV gap (42 vs 37) makes Regale Blue the marginally brighter of the two. The ΔE 3.6 gap is real but not dramatic — distinct as a choice, harmonious together.
Undercool reads slightly lighter (LRV 49 vs 42), a gap that shows most in low-lit rooms. At ΔE 5.5 they're clearly different, yet close enough to share a room.
Regale Blue reads slightly lighter (LRV 42 vs 34), a gap that shows most in low-lit rooms. At ΔE 5.6 they're clearly different, yet close enough to share a room.
A 7-point LRV gap (42 vs 36) makes Regale Blue the marginally brighter of the two. The ΔE 6.2 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 42 and 40, the two reflect almost the same amount of light. At ΔE 6.9 they're clearly different, yet close enough to share a room.
A 5-point LRV gap (48 vs 42) makes V356 the marginally brighter of the two. The ΔE 8.4 gap is real but not dramatic — distinct as a choice, harmonious together.
Regale Blue reflects far more light (LRV 42 vs 30), opening up a space where St Giles Blue encloses it. At ΔE 10.4 these are two genuinely different directions, not variations on a theme.
Regale Blue reflects far more light (LRV 42 vs 29), opening up a space where Blue Verditer encloses it. At ΔE 10.5 these are two genuinely different directions, not variations on a theme.
At LRV 42 vs 29, Regale Blue is decisively the brighter choice. A ΔE of 12.8 puts them firmly in different territory — a strong contrast if combined.
A 5-point LRV gap (47 vs 42) makes Teal Zen the marginally brighter of the two. A ΔE of 15.8 puts them firmly in different territory — a strong contrast if combined.
Regale Blue reads slightly lighter (LRV 42 vs 36), a gap that shows most in low-lit rooms. At ΔE 17.2 these are two genuinely different directions, not variations on a theme.
Driftwood Blues reads slightly lighter (LRV 46 vs 42), a gap that shows most in low-lit rooms. At ΔE 17.3 these are two genuinely different directions, not variations on a theme.