Capitol White vs Tranquil Dawn
Where Capitol White belongs to Benjamin Moore's range, Tranquil Dawn is a Dulux color. Hue-wise, Capitol White belongs to the beige-white family and Tranquil Dawn to the green-grey family. Capitol White (LRV 87) reflects noticeably more light than Tranquil Dawn (LRV 55), a difference of 32 points that becomes especially apparent in rooms with limited natural light. Capitol White runs yellow while Tranquil Dawn is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 17.7, 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.
Capitol White vs Tranquil Dawn in Real Spaces
3 real rooms side by side. Seeing Capitol White and Tranquil Dawn 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 Capitol White will make the room feel meaningfully brighter than Tranquil Dawn 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. Capitol White reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Capitol White reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
Color Details
Capitol White vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Capitol White on one side and Tranquil Dawn 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 Capitol White comparisons
See how Capitol White stacks up against other well-photographed colors across different brands and tones.
A 4-point LRV gap (87 vs 83) makes Capitol White the marginally brighter of the two.
Capitol White reflects far more light (LRV 87 vs 69), opening up a space where Ammonite encloses it.
At LRV 87 vs 6, Capitol White is decisively the brighter choice.
Capitol White reflects far more light (LRV 87 vs 52), opening up a space where Purbeck Stone encloses it.
Capitol White reflects far more light (LRV 87 vs 30), opening up a space where Evergreen Fog encloses it.
At LRV 87 vs 52, Capitol White is decisively the brighter choice.
Capitol White reflects far more light (LRV 87 vs 60), opening up a space where Agreeable Gray encloses it.
At LRV 87 vs 58, Capitol White is decisively the brighter choice.
At LRV 87 vs 27, Capitol White is decisively the brighter choice.
Capitol White reflects far more light (LRV 87 vs 43), opening up a space where French Gray encloses it.
Capitol White reflects far more light (LRV 87 vs 4), opening up a space where Naval encloses it.
At LRV 87 vs 13, Capitol White is decisively the brighter choice.
At LRV 87 vs 44, Capitol White is decisively the brighter choice.
With LRVs of 87 and 84, the two reflect almost the same amount of light.
Capitol White reflects far more light (LRV 87 vs 21), opening up a space where Artichoke encloses it.
At LRV 87 vs 66, Capitol White is decisively the brighter choice.
At LRV 87 vs 74, Capitol White is decisively the brighter choice.
A 4-point LRV gap (87 vs 83) makes Capitol White the marginally brighter of the two.
At LRV 87 vs 12, Capitol White is decisively the brighter choice.
At LRV 87 vs 68, Capitol White is decisively the brighter choice.
Capitol White reflects far more light (LRV 87 vs 41), opening up a space where Dix Blue encloses it.
Capitol White reflects far more light (LRV 87 vs 68), opening up a space where Calamine encloses it.
Capitol White reflects far more light (LRV 87 vs 25), opening up a space where Treron encloses it.
At LRV 87 vs 12, Capitol White is decisively the brighter choice.
At LRV 87 vs 45, Capitol White is decisively the brighter choice.
Capitol White reflects far more light (LRV 87 vs 31), opening up a space where Pale Green encloses it.
Capitol White reflects far more light (LRV 87 vs 7), opening up a space where Pine Needle encloses it.
Capitol White reflects far more light (LRV 87 vs 24), opening up a space where Cement grey encloses it.
Capitol White reflects far more light (LRV 87 vs 57), opening up a space where Guilford Green encloses it.
Capitol White reflects far more light (LRV 87 vs 72), opening up a space where Just Walnut encloses it.