RAL 590-5 vs Endless Sea
RAL 590-5 (RAL Effect) and Endless Sea (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 5-point LRV gap — 9 for Endless Sea vs 4 for RAL 590-5 — means Endless Sea will open up a space more effectively. A ΔE of 24.8 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 590-5 vs Endless Sea in Real Spaces
4 real rooms side by side. Seeing RAL 590-5 and Endless Sea 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
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Endless Sea reads slightly lighter here — a subtle but real difference in how open the space feels.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Endless Sea has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Endless Sea has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
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. Endless Sea has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
RAL 590-5 vs Endless Sea Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 590-5 on one side and Endless Sea 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 590-5 comparisons
See how RAL 590-5 stacks up against other well-photographed colors across different brands and tones.
