Iron Ore vs Perfect Periwinkle
Both from Sherwin-Williams's palette. Hue-wise, Iron Ore belongs to the grey family and Perfect Periwinkle to the blue family. Perfect Periwinkle (LRV 23) reflects noticeably more light than Iron Ore (LRV 6), a difference of 18 points that becomes especially apparent in rooms with limited natural light. Iron Ore runs neutral while Perfect Periwinkle is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 37.9, 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 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Iron Ore vs Perfect Periwinkle in Real Spaces
1 real room side by side. Seeing Iron Ore and Perfect Periwinkle in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Perfect Periwinkle reflects noticeably more light off the walls, making the space read more open than Iron Ore.
Color Details
Iron Ore vs Perfect Periwinkle Simulated Comparison
5 simulated room previews — drag the slider on each to see Iron Ore on one side and Perfect Periwinkle 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 Iron Ore comparisons
See how Iron Ore stacks up against other well-photographed colors across different brands and tones.
