Match Brillant blue
RAL Classic Brillant blue is a deep, low-reflectance shade with an LRV of 15. 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.
Their light reflectance is nearly identical (LRV 16 vs 15), so neither reads brighter in a room. The ΔE 3.1 gap is real but not dramatic — distinct as a choice, harmonious together.
Their light reflectance is nearly identical (LRV 15 vs 13), so neither reads brighter in a room. The ΔE 3.5 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 15 and 12, the two reflect almost the same amount of light. At ΔE 3.7 they're clearly different, yet close enough to share a room.
Brillant blue reads slightly lighter (LRV 15 vs 12), a gap that shows most in low-lit rooms. At ΔE 4.3 they're clearly different, yet close enough to share a room.
Brillant blue reads slightly lighter (LRV 15 vs 12), a gap that shows most in low-lit rooms. At ΔE 4.8 they're clearly different, yet close enough to share a room.
Brillant blue reads slightly lighter (LRV 15 vs 11), a gap that shows most in low-lit rooms. At ΔE 5.4 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 15 vs 15), so neither reads brighter in a room. The ΔE 5.5 gap is real but not dramatic — distinct as a choice, harmonious together.
A 6-point LRV gap (15 vs 9) makes Brillant blue the marginally brighter of the two. The ΔE 7.2 gap is real but not dramatic — distinct as a choice, harmonious together.
A 7-point LRV gap (15 vs 8) makes Brillant blue the marginally brighter of the two. The ΔE 7.3 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 15 and 15, the two reflect almost the same amount of light. At ΔE 7.6 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 15 vs 15), so neither reads brighter in a room. The ΔE 8.5 gap is real but not dramatic — distinct as a choice, harmonious together.
Brillant blue reads slightly lighter (LRV 15 vs 8), a gap that shows most in low-lit rooms. At ΔE 11.6 these are two genuinely different directions, not variations on a theme.
With LRVs of 15 and 14, the two reflect almost the same amount of light. At ΔE 17.1 these are two genuinely different directions, not variations on a theme.
S 5010-R90B reads slightly lighter (LRV 19 vs 15), a gap that shows most in low-lit rooms. At ΔE 20.7 these are two genuinely different directions, not variations on a theme.