Match RAL 660-2
RAL Effect RAL 660-2 is a deep, low-reflectance shade with an LRV of 14. 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.
A 10-point LRV gap (24 vs 14) makes Mediterranean Blue the marginally brighter of the two. A ΔE of 2.6 means the difference barely reads in a finished room.
A 6-point LRV gap (20 vs 14) makes Pacific Palisades the marginally brighter of the two. The ΔE 4.7 gap is real but not dramatic — distinct as a choice, harmonious together.
Their light reflectance is nearly identical (LRV 17 vs 14), so neither reads brighter in a room. The ΔE 5.0 gap is real but not dramatic — distinct as a choice, harmonious together.
Their light reflectance is nearly identical (LRV 16 vs 14), so neither reads brighter in a room. The ΔE 7.6 gap is real but not dramatic — distinct as a choice, harmonious together.
Teal Touch reads slightly lighter (LRV 24 vs 14), a gap that shows most in low-lit rooms. At ΔE 10.0 these are two genuinely different directions, not variations on a theme.
Light blue reads slightly lighter (LRV 23 vs 14), a gap that shows most in low-lit rooms. At ΔE 11.4 these are two genuinely different directions, not variations on a theme.
Air Force Blue reads slightly lighter (LRV 22 vs 14), a gap that shows most in low-lit rooms. At ΔE 12.6 these are two genuinely different directions, not variations on a theme.
At LRV 30 vs 14, St Giles Blue is decisively the brighter choice. A ΔE of 13.1 puts them firmly in different territory — a strong contrast if combined.
Sea Emerald reads slightly lighter (LRV 26 vs 14), a gap that shows most in low-lit rooms. At ΔE 23.2 these are two genuinely different directions, not variations on a theme.
At LRV 27 vs 14, Tidepool Wonder is decisively the brighter choice. A ΔE of 23.9 puts them firmly in different territory — a strong contrast if combined.
S 5010-R90B reads slightly lighter (LRV 19 vs 14), a gap that shows most in low-lit rooms. At ΔE 25.9 these are two genuinely different directions, not variations on a theme.