Match RAL 660-3
RAL Effect RAL 660-3 is a mid-tone shade with an LRV of 27. 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 27 and 27, the two reflect almost the same amount of light. At ΔE 2.3 you'd need them side by side to tell them apart.
Blue Calypso reads slightly lighter (LRV 34 vs 27), a gap that shows most in low-lit rooms. At ΔE 2.4 you'd need them side by side to tell them apart.
Freshwater reads slightly lighter (LRV 32 vs 27), a gap that shows most in low-lit rooms. At ΔE 4.5 they're clearly different, yet close enough to share a room.
With LRVs of 29 and 27, the two reflect almost the same amount of light. At ΔE 9.2 they're clearly different, yet close enough to share a room.
Nordic Sky reflects far more light (LRV 40 vs 27), opening up a space where RAL 660-3 encloses it. At ΔE 9.9 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 29 vs 27), so neither reads brighter in a room. A ΔE of 11.0 puts them firmly in different territory — a strong contrast if combined.
With LRVs of 30 and 27, the two reflect almost the same amount of light. At ΔE 12.1 these are two genuinely different directions, not variations on a theme.
Their light reflectance is nearly identical (LRV 27 vs 26), so neither reads brighter in a room. A ΔE of 17.5 puts them firmly in different territory — a strong contrast if combined.
With LRVs of 27 and 27, the two reflect almost the same amount of light. At ΔE 18.7 these are two genuinely different directions, not variations on a theme.
Their light reflectance is nearly identical (LRV 28 vs 27), so neither reads brighter in a room. A ΔE of 20.7 puts them firmly in different territory — a strong contrast if combined.