RAL 420-3 vs Coral Reef
Where RAL 420-3 belongs to RAL Effect's range, Coral Reef is a Sherwin-Williams color. Both sit in the pink-red family, which is useful context if you're narrowing within a single hue direction. RAL 420-3 (LRV 37) reflects noticeably more light than Coral Reef (LRV 29), a difference of 8 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 11.6, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 420-3 vs Coral Reef in Real Spaces
3 real rooms side by side. Seeing RAL 420-3 and Coral Reef in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The brightness difference is modest but present — RAL 420-3 gives the walls a little more lift.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. RAL 420-3 reads slightly lighter here — a subtle but real difference in how open the space feels.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. RAL 420-3 reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
RAL 420-3 vs Coral Reef Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 420-3 on one side and Coral Reef on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More RAL 420-3 comparisons
See how RAL 420-3 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 37), opening up a space where RAL 420-3 encloses it.
At LRV 52 vs 37, Purbeck Stone is decisively the brighter choice.
A 6-point LRV gap (37 vs 30) makes RAL 420-3 the marginally brighter of the two.
At LRV 60 vs 37, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 37), opening up a space where RAL 420-3 encloses it.
RAL 420-3 reads slightly lighter (LRV 37 vs 27), a gap that shows most in low-lit rooms.
A 7-point LRV gap (43 vs 37) makes French Gray the marginally brighter of the two.
Tranquil Dawn reflects far more light (LRV 55 vs 37), opening up a space where RAL 420-3 encloses it.
Hardwick White reads slightly lighter (LRV 44 vs 37), a gap that shows most in low-lit rooms.
At LRV 84 vs 37, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 37), opening up a space where RAL 420-3 encloses it.
Shoji White reflects far more light (LRV 74 vs 37), opening up a space where RAL 420-3 encloses it.
RAL 420-3 reflects far more light (LRV 37 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 37), opening up a space where RAL 420-3 encloses it.
RAL 420-3 reflects far more light (LRV 37 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reads slightly lighter (LRV 45 vs 37), a gap that shows most in low-lit rooms.
A 6-point LRV gap (37 vs 31) makes RAL 420-3 the marginally brighter of the two.
At LRV 37 vs 7, RAL 420-3 is decisively the brighter choice.
At LRV 37 vs 24, RAL 420-3 is decisively the brighter choice.
At LRV 57 vs 37, Guilford Green is decisively the brighter choice.