Storm Warning vs Piazza
Where Storm Warning belongs to Sherwin-Williams's range, Piazza is a Tikkurila color. Storm Warning reads as grey, while Piazza reads as beige-greige — two distinct hue families, not close cousins. Piazza (LRV 65) reflects noticeably more light than Storm Warning (LRV 14), a difference of 51 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 40.7, 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
Storm Warning vs Piazza Simulated Comparison
5 simulated room previews — drag the slider on each to see Storm Warning on one side and Piazza 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 Storm Warning comparisons
See how Storm Warning stacks up against other well-photographed colors across different brands and tones.
