RAL 620-1 vs Santorini Blue
Where RAL 620-1 belongs to RAL Effect's range, Santorini Blue 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. Santorini Blue (LRV 14) reflects noticeably more light than RAL 620-1 (LRV 11), a difference of 3 points that becomes especially apparent in rooms with limited natural light. The ΔE 7.7 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 620-1 vs Santorini Blue in Real Spaces
2 real rooms side by side. RAL 620-1 and Santorini Blue 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.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. The distinction reads clearly at room scale, making the choice between them concrete.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
RAL 620-1 vs Santorini Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 620-1 on one side and Santorini Blue 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 620-1 comparisons
See how RAL 620-1 stacks up against other well-photographed colors across different brands and tones.
