Rapid Rock vs Pewter Green
Where Rapid Rock belongs to PPG's range, Pewter Green is a Sherwin-Williams color. Hue-wise, Rapid Rock belongs to the beige-greige family and Pewter Green to the green-grey family. Rapid Rock (LRV 30) reflects noticeably more light than Pewter Green (LRV 12), a difference of 18 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 22.8, 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
Rapid Rock vs Pewter Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Rapid Rock 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 Rapid Rock comparisons
See how Rapid Rock stacks up against other well-photographed colors across different brands and tones.







































