Match RAL 620-4
RAL Effect RAL 620-4 is a deep, low-reflectance shade with an LRV of 9. The matches below are ranked by ΔE, a perceptual color-difference score.
View full RAL 620-4 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.
With LRVs of 11 and 9, the two reflect almost the same amount of light. At ΔE 2.8 you'd need them side by side to tell them apart.
Their light reflectance is nearly identical (LRV 9 vs 8), so neither reads brighter in a room. The ΔE 3.3 gap is real but not dramatic — distinct as a choice, harmonious together.
Their light reflectance is nearly identical (LRV 9 vs 9), so neither reads brighter in a room. The ΔE 3.5 gap is real but not dramatic — distinct as a choice, harmonious together.
Their light reflectance is nearly identical (LRV 11 vs 9), so neither reads brighter in a room. The ΔE 3.8 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 11 and 9, the two reflect almost the same amount of light. At ΔE 6.1 they're clearly different, yet close enough to share a room.
With LRVs of 10 and 9, the two reflect almost the same amount of light. At ΔE 6.1 they're clearly different, yet close enough to share a room.
A 3-point LRV gap (12 vs 9) makes Azure blue the marginally brighter of the two. The ΔE 8.1 gap is real but not dramatic — distinct as a choice, harmonious together.
Passageway reads slightly lighter (LRV 14 vs 9), a gap that shows most in low-lit rooms. At ΔE 9.5 they're clearly different, yet close enough to share a room.
S 6010-B50G reads slightly lighter (LRV 13 vs 9), a gap that shows most in low-lit rooms. At ΔE 12.6 these are two genuinely different directions, not variations on a theme.