RAL 720-4 vs Mariner
RAL 720-4 (RAL Effect) and Mariner (Sherwin-Williams) come from different manufacturers. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. The 11-point LRV gap — 46 for Mariner vs 35 for RAL 720-4 — means Mariner will open up a space more effectively. ΔE 4.5 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
RAL 720-4 vs Mariner in Real Spaces
1 real room side by side. RAL 720-4 and Mariner are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Mariner returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
RAL 720-4 vs Mariner Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 720-4 on one side and Mariner 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 720-4 comparisons
See how RAL 720-4 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 35), opening up a space where RAL 720-4 encloses it.
At LRV 52 vs 35, Purbeck Stone is decisively the brighter choice.
A 5-point LRV gap (35 vs 30) makes RAL 720-4 the marginally brighter of the two.
At LRV 60 vs 35, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 35), opening up a space where RAL 720-4 encloses it.
RAL 720-4 reads slightly lighter (LRV 35 vs 27), a gap that shows most in low-lit rooms.
A 8-point LRV gap (43 vs 35) makes French Gray the marginally brighter of the two.
Tranquil Dawn reflects far more light (LRV 55 vs 35), opening up a space where RAL 720-4 encloses it.
Hardwick White reads slightly lighter (LRV 44 vs 35), a gap that shows most in low-lit rooms.
At LRV 84 vs 35, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 35), opening up a space where RAL 720-4 encloses it.
Shoji White reflects far more light (LRV 74 vs 35), opening up a space where RAL 720-4 encloses it.
RAL 720-4 reflects far more light (LRV 35 vs 12), opening up a space where Pewter Green encloses it.
RAL 720-4 reflects far more light (LRV 35 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 35), opening up a space where RAL 720-4 encloses it.
RAL 720-4 reflects far more light (LRV 35 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reads slightly lighter (LRV 45 vs 35), a gap that shows most in low-lit rooms.
A 4-point LRV gap (35 vs 31) makes RAL 720-4 the marginally brighter of the two.