RAL 620-3 vs St. Bart's
Where RAL 620-3 belongs to RAL Effect's range, St. Bart's is a Sherwin-Williams color. These are both blues, so the question isn't which hue to choose — it's where within blue to land. They have nearly identical light reflectance values (20 vs 18), so they'll read as similarly Dark in most lighting conditions. The ΔE 3.9 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. 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 St. Bart's in Real Spaces
1 real room side by side. RAL 620-3 and St. Bart's 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
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
RAL 620-3 vs St. Bart's Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 620-3 on one side and St. Bart's 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.
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.
At LRV 20 vs 7, RAL 620-3 is decisively the brighter choice.
A 5-point LRV gap (24 vs 20) makes Cement grey the marginally brighter of the two.
At LRV 57 vs 20, Guilford Green is decisively the brighter choice.