Steel Symphony 1 vs Thimble Case
Both are Dulux colors. Steel Symphony 1 reads as blue-grey, while Thimble Case reads as greige-grey — two distinct hue families, not close cousins. At LRV 68 vs 17, Thimble Case will read as the brighter of the two — a 51-point gap that matters most in north-facing or low-light rooms. The tonal difference — Steel Symphony 1's cool character against Thimble Case's warm — becomes most visible against white trim or in morning light. At ΔE 39.8, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Steel Symphony 1 vs Thimble Case in Real Spaces
2 real rooms side by side. Seeing Steel Symphony 1 and Thimble Case in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Thimble Case returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Thimble Case will make the room feel meaningfully brighter than Steel Symphony 1 would.
Color Details
Steel Symphony 1 vs Thimble Case Simulated Comparison
5 simulated room previews — drag the slider on each to see Steel Symphony 1 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.