Copper River vs RAL 420-3
Where Copper River belongs to PPG's range, RAL 420-3 is a RAL Effect color. Copper River reads as beige, while RAL 420-3 reads as pink-red — two distinct hue families, not close cousins. Copper River (LRV 45) reflects noticeably more light than RAL 420-3 (LRV 37), a difference of 8 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 12.2, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Copper River vs RAL 420-3 Simulated Comparison
5 simulated room previews — drag the slider on each to see Copper River on one side and RAL 420-3 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 Copper River comparisons
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