Breton Blue vs Thimble Case
Breton Blue and Thimble Case come from the same Dulux collection. Hue-wise, Breton Blue belongs to the blue family and Thimble Case to the greige-grey family. The 58-point LRV gap — 68 for Thimble Case vs 10 for Breton Blue — means Thimble Case will open up a space more effectively. Where Breton Blue leans cool, Thimble Case reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 52.6 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Breton Blue vs Thimble Case in Real Spaces
3 real rooms side by side. Seeing Breton Blue 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
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Thimble Case reflects noticeably more light off the walls, making the space read more open than Breton Blue.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Thimble Case returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Thimble Case returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Breton Blue vs Thimble Case Simulated Comparison
5 simulated room previews — drag the slider on each to see Breton Blue 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 Breton Blue comparisons
See how Breton Blue stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 10, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 10), opening up a space where Breton Blue encloses it.
Breton Blue reads slightly lighter (LRV 10 vs 6), a gap that shows most in low-lit rooms.
At LRV 52 vs 10, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 10, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 10), opening up a space where Breton Blue encloses it.
At LRV 60 vs 10, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 10), opening up a space where Breton Blue encloses it.
Denim Drift reflects far more light (LRV 27 vs 10), opening up a space where Breton Blue encloses it.
At LRV 43 vs 10, French Gray is decisively the brighter choice.
A 6-point LRV gap (10 vs 4) makes Breton Blue the marginally brighter of the two.
Tranquil Dawn reflects far more light (LRV 55 vs 10), opening up a space where Breton Blue encloses it.
Bancha reads slightly lighter (LRV 13 vs 10), a gap that shows most in low-lit rooms.
Hardwick White reflects far more light (LRV 44 vs 10), opening up a space where Breton Blue encloses it.
At LRV 84 vs 10, Pure White is decisively the brighter choice.
A 11-point LRV gap (21 vs 10) makes Artichoke the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 10), opening up a space where Breton Blue encloses it.
Shoji White reflects far more light (LRV 74 vs 10), opening up a space where Breton Blue encloses it.
Snowbound reflects far more light (LRV 83 vs 10), opening up a space where Breton Blue encloses it.
At LRV 51 vs 10, Pigeon is decisively the brighter choice.
With LRVs of 12 and 10, the two reflect almost the same amount of light.
With LRVs of 10 and 8, the two reflect almost the same amount of light.
Skimming Stone reflects far more light (LRV 68 vs 10), opening up a space where Breton Blue encloses it.
At LRV 41 vs 10, Dix Blue is decisively the brighter choice.
With LRVs of 12 and 10, the two reflect almost the same amount of light.
Saybrook Sage reflects far more light (LRV 45 vs 10), opening up a space where Breton Blue encloses it.
At LRV 31 vs 10, Pale Green is decisively the brighter choice.