RAL 620-3 vs Secret Cove
RAL 620-3 (RAL Effect) and Secret Cove (Sherwin-Williams) come from different manufacturers. These are both blues, so the question isn't which hue to choose — it's where within blue to land. The 6-point LRV gap — 25 for Secret Cove vs 20 for RAL 620-3 — means Secret Cove will open up a space more effectively. ΔE 6.3 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 620-3 vs Secret Cove in Real Spaces
1 real room side by side. RAL 620-3 and Secret Cove 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.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Secret Cove has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
RAL 620-3 vs Secret Cove Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 620-3 on one side and Secret Cove 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 620-3 comparisons
See how RAL 620-3 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 20), opening up a space where RAL 620-3 encloses it.
At LRV 52 vs 20, Purbeck Stone is decisively the brighter choice.
A 11-point LRV gap (30 vs 20) makes Evergreen Fog the marginally brighter of the two.
At LRV 60 vs 20, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 20), opening up a space where RAL 620-3 encloses it.
Denim Drift reads slightly lighter (LRV 27 vs 20), a gap that shows most in low-lit rooms.
At LRV 43 vs 20, French Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 20), opening up a space where RAL 620-3 encloses it.
Hardwick White reflects far more light (LRV 44 vs 20), opening up a space where RAL 620-3 encloses it.
At LRV 84 vs 20, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 20), opening up a space where RAL 620-3 encloses it.
Shoji White reflects far more light (LRV 74 vs 20), opening up a space where RAL 620-3 encloses it.
RAL 620-3 reads slightly lighter (LRV 20 vs 12), a gap that shows most in low-lit rooms.
RAL 620-3 reads slightly lighter (LRV 20 vs 8), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 20), opening up a space where RAL 620-3 encloses it.
RAL 620-3 reads slightly lighter (LRV 20 vs 12), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 20), opening up a space where RAL 620-3 encloses it.
A 12-point LRV gap (31 vs 20) makes Pale Green the marginally brighter of the two.