Steel Symphony 3 vs Thimble Case
Both from Dulux's palette. Hue-wise, Steel Symphony 3 belongs to the blue-grey family and Thimble Case to the greige-grey family. Thimble Case (LRV 68) reflects noticeably more light than Steel Symphony 3 (LRV 35), a difference of 33 points that becomes especially apparent in rooms with limited natural light. Steel Symphony 3 runs cool while Thimble Case is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 23.1, 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
Steel Symphony 3 vs Thimble Case Simulated Comparison
5 simulated room previews — drag the slider on each to see Steel Symphony 3 on one side and Thimble Case 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 Steel Symphony 3 comparisons
See how Steel Symphony 3 stacks up against other well-photographed colors across different brands and tones.
