RAL 820-4 vs Bridgeport
RAL 820-4 is a RAL Effect color while Bridgeport comes from Sherwin-Williams. RAL 820-4 reads as blue-grey, while Bridgeport reads as blue — two distinct hue families, not close cousins. At LRV NaN vs 23, Bridgeport will read as the brighter of the two — a NaN-point gap that matters most in north-facing or low-light rooms. At ΔE NaN, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
RAL 820-4 vs Bridgeport Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 820-4 on one side and Bridgeport 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 820-4 comparisons
See how RAL 820-4 stacks up against other well-photographed colors across different brands and tones.
