Match RAL 550-4
RAL Effect RAL 550-4 is a deep, low-reflectance shade with an LRV of 23. 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.
RAL 550-4 reads slightly lighter (LRV 23 vs 18), a gap that shows most in low-lit rooms. At ΔE 5.4 they're clearly different, yet close enough to share a room.
A 6-point LRV gap (23 vs 17) makes RAL 550-4 the marginally brighter of the two. The ΔE 6.0 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 23 and 20, the two reflect almost the same amount of light. At ΔE 6.8 they're clearly different, yet close enough to share a room.
A 5-point LRV gap (28 vs 23) makes Pastel violet the marginally brighter of the two. The ΔE 9.7 gap is real but not dramatic — distinct as a choice, harmonious together.
A 3-point LRV gap (26 vs 23) makes Raspberry Diva the marginally brighter of the two. A ΔE of 10.5 puts them firmly in different territory — a strong contrast if combined.
A 10-point LRV gap (33 vs 23) makes Uptown Girl the marginally brighter of the two. A ΔE of 12.3 puts them firmly in different territory — a strong contrast if combined.
Cooing Doves reads slightly lighter (LRV 33 vs 23), a gap that shows most in low-lit rooms. At ΔE 13.6 these are two genuinely different directions, not variations on a theme.
RAL 550-4 reads slightly lighter (LRV 23 vs 15), a gap that shows most in low-lit rooms. At ΔE 14.2 these are two genuinely different directions, not variations on a theme.
Their light reflectance is nearly identical (LRV 23 vs 20), so neither reads brighter in a room. A ΔE of 15.2 puts them firmly in different territory — a strong contrast if combined.
