RAL 650-5 vs Regatta
RAL 650-5 is a RAL Effect color while Regatta comes from Sherwin-Williams. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. With LRVs of 8 and 8, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 2.2, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 650-5 vs Regatta in Real Spaces
2 real rooms side by side. RAL 650-5 and Regatta 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
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Color Details
RAL 650-5 vs Regatta Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 650-5 on one side and Regatta 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 650-5 comparisons
See how RAL 650-5 stacks up against other well-photographed colors across different brands and tones.
