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.
More Steel Symphony 1 comparisons
See how Steel Symphony 1 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 17), opening up a space where Steel Symphony 1 encloses it.
At LRV 69 vs 17, Ammonite is decisively the brighter choice.
Steel Symphony 1 reads slightly lighter (LRV 17 vs 6), a gap that shows most in low-lit rooms.
At LRV 52 vs 17, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 17, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 17), opening up a space where Steel Symphony 1 encloses it.
At LRV 60 vs 17, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 17), opening up a space where Steel Symphony 1 encloses it.
Denim Drift reads slightly lighter (LRV 27 vs 17), a gap that shows most in low-lit rooms.
At LRV 43 vs 17, French Gray is decisively the brighter choice.
At LRV 17 vs 4, Steel Symphony 1 is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 17), opening up a space where Steel Symphony 1 encloses it.
Steel Symphony 1 reads slightly lighter (LRV 17 vs 13), a gap that shows most in low-lit rooms.
Hardwick White reflects far more light (LRV 44 vs 17), opening up a space where Steel Symphony 1 encloses it.
At LRV 84 vs 17, Pure White is decisively the brighter choice.
A 4-point LRV gap (21 vs 17) makes Artichoke the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 17), opening up a space where Steel Symphony 1 encloses it.
Shoji White reflects far more light (LRV 74 vs 17), opening up a space where Steel Symphony 1 encloses it.
Snowbound reflects far more light (LRV 83 vs 17), opening up a space where Steel Symphony 1 encloses it.
Steel Symphony 1 reads slightly lighter (LRV 17 vs 12), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 17), opening up a space where Steel Symphony 1 encloses it.
At LRV 41 vs 17, Dix Blue is decisively the brighter choice.
At LRV 68 vs 17, Calamine is decisively the brighter choice.
A 8-point LRV gap (25 vs 17) makes Treron the marginally brighter of the two.
Steel Symphony 1 reads slightly lighter (LRV 17 vs 12), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 17), opening up a space where Steel Symphony 1 encloses it.
At LRV 31 vs 17, Pale Green is decisively the brighter choice.
A 10-point LRV gap (17 vs 7) makes Steel Symphony 1 the marginally brighter of the two.
A 7-point LRV gap (24 vs 17) makes Cement grey the marginally brighter of the two.
At LRV 57 vs 17, Guilford Green is decisively the brighter choice.