Match Signal yellow
RAL Classic Signal yellow is a mid-tone shade with an LRV of 49. 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 5-point LRV gap (49 vs 44) makes Signal yellow the marginally brighter of the two. A ΔE of 0.9 means the difference barely reads in a finished room.
With LRVs of 49 and 48, the two reflect almost the same amount of light. At ΔE 2.8 you'd need them side by side to tell them apart.
Signal yellow reads slightly lighter (LRV 49 vs 45), a gap that shows most in low-lit rooms. At ΔE 4.0 they're clearly different, yet close enough to share a room.
Luminous bright orange reflects far more light (LRV 61 vs 49), opening up a space where Signal yellow encloses it. At ΔE 4.2 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 50 vs 49), so neither reads brighter in a room. The ΔE 4.3 gap is real but not dramatic — distinct as a choice, harmonious together.
A 6-point LRV gap (55 vs 49) makes Lemon Whisper the marginally brighter of the two. The ΔE 6.0 gap is real but not dramatic — distinct as a choice, harmonious together.
Sunflower Symphony 4 reflects far more light (LRV 62 vs 49), opening up a space where Signal yellow encloses it. At ΔE 7.7 they're clearly different, yet close enough to share a room.
A 7-point LRV gap (56 vs 49) makes Fall Gold the marginally brighter of the two. A ΔE of 10.6 puts them firmly in different territory — a strong contrast if combined.
A 6-point LRV gap (49 vs 43) makes Signal yellow the marginally brighter of the two. A ΔE of 11.8 puts them firmly in different territory — a strong contrast if combined.
Signal yellow reflects far more light (LRV 49 vs 35), opening up a space where Marigold encloses it. At ΔE 22.4 these are two genuinely different directions, not variations on a theme.
A 8-point LRV gap (57 vs 49) makes Babouche the marginally brighter of the two. A ΔE of 33.3 puts them firmly in different territory — a strong contrast if combined.
At LRV 49 vs 19, Signal yellow is decisively the brighter choice. A ΔE of 35.8 puts them firmly in different territory — a strong contrast if combined.
At LRV 49 vs 33, Signal yellow is decisively the brighter choice. A ΔE of 49.0 puts them firmly in different territory — a strong contrast if combined.
Signal yellow reflects far more light (LRV 49 vs 37), opening up a space where Bella encloses it. At ΔE 49.1 these are two genuinely different directions, not variations on a theme.