Match RAL 610-4
RAL Effect RAL 610-4 is a mid-tone shade with an LRV of 40. The matches below are ranked by ΔE, a perceptual color-difference score.
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EffectClosest 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 41 vs 40), so neither reads brighter in a room. A ΔE of 1.5 means the difference barely reads in a finished room.
A 5-point LRV gap (45 vs 40) makes Blue Beyond the marginally brighter of the two. The ΔE 3.6 gap is real but not dramatic — distinct as a choice, harmonious together.
A 10-point LRV gap (50 vs 40) makes Viva La Bleu the marginally brighter of the two. The ΔE 4.6 gap is real but not dramatic — distinct as a choice, harmonious together.
Their light reflectance is nearly identical (LRV 43 vs 40), so neither reads brighter in a room. The ΔE 4.8 gap is real but not dramatic — distinct as a choice, harmonious together.
Royal Regatta 6 reads slightly lighter (LRV 50 vs 40), a gap that shows most in low-lit rooms. At ΔE 9.2 they're clearly different, yet close enough to share a room.
A 5-point LRV gap (45 vs 40) makes Lulworth Blue the marginally brighter of the two. A ΔE of 12.1 puts them firmly in different territory — a strong contrast if combined.
RAL 610-4 reads slightly lighter (LRV 40 vs 29), a gap that shows most in low-lit rooms. At ΔE 13.3 these are two genuinely different directions, not variations on a theme.
A 12-point LRV gap (40 vs 29) makes RAL 610-4 the marginally brighter of the two. A ΔE of 14.8 puts them firmly in different territory — a strong contrast if combined.
RAL 610-4 reads slightly lighter (LRV 40 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.
With LRVs of 40 and 38, the two reflect almost the same amount of light. At ΔE 17.8 these are two genuinely different directions, not variations on a theme.
Driftwood Blues reads slightly lighter (LRV 46 vs 40), a gap that shows most in low-lit rooms. At ΔE 18.2 these are two genuinely different directions, not variations on a theme.