Earl Blue vs Thimble Case
Both from Dulux's palette. Hue-wise, Earl Blue belongs to the blue-grey family and Thimble Case to the greige-grey family. Thimble Case (LRV 68) reflects noticeably more light than Earl Blue (LRV 41), a difference of 27 points that becomes especially apparent in rooms with limited natural light. Earl Blue 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 18.0, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Earl Blue vs Thimble Case in Real Spaces
3 real rooms side by side. Seeing Earl 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Thimble Case will make the room feel meaningfully brighter than Earl Blue would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Thimble Case reflects noticeably more light off the walls, making the space read more open than Earl Blue.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Thimble Case reflects noticeably more light off the walls, making the space read more open than Earl Blue.
Color Details
Earl Blue vs Thimble Case Simulated Comparison
5 simulated room previews — drag the slider on each to see Earl 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 Earl Blue comparisons
See how Earl Blue stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 41), opening up a space where Earl Blue encloses it.
A 11-point LRV gap (52 vs 41) makes Purbeck Stone the marginally brighter of the two.
A 11-point LRV gap (41 vs 30) makes Earl Blue the marginally brighter of the two.
At LRV 60 vs 41, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 41), opening up a space where Earl Blue encloses it.
Earl Blue reflects far more light (LRV 41 vs 27), opening up a space where Denim Drift encloses it.
Their light reflectance is nearly identical (LRV 43 vs 41), so neither reads brighter in a room.
Tranquil Dawn reflects far more light (LRV 55 vs 41), opening up a space where Earl Blue encloses it.
With LRVs of 44 and 41, the two reflect almost the same amount of light.
At LRV 84 vs 41, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 41), opening up a space where Earl Blue encloses it.
Shoji White reflects far more light (LRV 74 vs 41), opening up a space where Earl Blue encloses it.
Earl Blue reflects far more light (LRV 41 vs 12), opening up a space where Pewter Green encloses it.
Earl Blue reflects far more light (LRV 41 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 41), opening up a space where Earl Blue encloses it.
Earl Blue reflects far more light (LRV 41 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reads slightly lighter (LRV 45 vs 41), a gap that shows most in low-lit rooms.
A 10-point LRV gap (41 vs 31) makes Earl Blue the marginally brighter of the two.