RAL 550-6 vs Pewter Green
Where RAL 550-6 belongs to RAL Effect's range, Pewter Green is a Sherwin-Williams color. Hue-wise, RAL 550-6 belongs to the pink family and Pewter Green to the green-grey family. They have nearly identical light reflectance values (11 vs 12), so they'll read as similarly Dark in most lighting conditions. With a ΔE of 26.1, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 550-6 vs Pewter Green in Real Spaces
2 real rooms side by side. Seeing RAL 550-6 and Pewter Green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. The distinction reads clearly at room scale, making the choice between them concrete.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
RAL 550-6 vs Pewter Green Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 550-6 on one side and Pewter Green 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 550-6 comparisons
See how RAL 550-6 stacks up against other well-photographed colors across different brands and tones.











































