Tranquil Dawn vs Glass Bead
Where Tranquil Dawn belongs to Dulux's range, Glass Bead is a Sherwin-Williams color. Hue-wise, Tranquil Dawn belongs to the green-grey family and Glass Bead to the blue-white family. Glass Bead (LRV 77) reflects noticeably more light than Tranquil Dawn (LRV 55), a difference of 22 points that becomes especially apparent in rooms with limited natural light. Tranquil Dawn runs neutral while Glass Bead is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 13.8, 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 7 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs Glass Bead in Real Spaces
7 real rooms side by side. Seeing Tranquil Dawn and Glass Bead 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 Glass Bead 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. Glass Bead reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Glass Bead reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. Glass Bead returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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. Glass Bead reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
Home Office
The test for a home office color isn't how it looks in a quick glance — it's whether it still feels right after a full day of work. Glass Bead reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
Mudroom
Mudrooms are seen in passing, often under whatever light comes through the door — a context that favors colors with some depth. Glass Bead returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Tranquil Dawn vs Glass Bead Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Glass Bead 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 Tranquil Dawn comparisons
See how Tranquil Dawn stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 55), opening up a space where Tranquil Dawn encloses it.
At LRV 69 vs 55, Ammonite is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 6), opening up a space where Iron Ore encloses it.
A 3-point LRV gap (55 vs 52) makes Tranquil Dawn the marginally brighter of the two.
At LRV 55 vs 30, Tranquil Dawn is decisively the brighter choice.
Tranquil Dawn reads slightly lighter (LRV 55 vs 52), a gap that shows most in low-lit rooms.
A 5-point LRV gap (60 vs 55) makes Agreeable Gray the marginally brighter of the two.
With LRVs of 58 and 55, the two reflect almost the same amount of light.
Tranquil Dawn reflects far more light (LRV 55 vs 27), opening up a space where Denim Drift encloses it.
A 12-point LRV gap (55 vs 43) makes Tranquil Dawn the marginally brighter of the two.
At LRV 55 vs 4, Tranquil Dawn is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 13), opening up a space where Bancha encloses it.
Tranquil Dawn reads slightly lighter (LRV 55 vs 44), a gap that shows most in low-lit rooms.
At LRV 84 vs 55, Pure White is decisively the brighter choice.
At LRV 55 vs 21, Tranquil Dawn is decisively the brighter choice.
Balboa Mist reads slightly lighter (LRV 66 vs 55), a gap that shows most in low-lit rooms.
Shoji White reflects far more light (LRV 74 vs 55), opening up a space where Tranquil Dawn encloses it.
Snowbound reflects far more light (LRV 83 vs 55), opening up a space where Tranquil Dawn encloses it.
Tranquil Dawn reflects far more light (LRV 55 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 55), opening up a space where Tranquil Dawn encloses it.
At LRV 55 vs 41, Tranquil Dawn is decisively the brighter choice.
At LRV 68 vs 55, Calamine is decisively the brighter choice.
At LRV 55 vs 25, Tranquil Dawn is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 12), opening up a space where Vintage Vogue encloses it.
Tranquil Dawn reads slightly lighter (LRV 55 vs 45), a gap that shows most in low-lit rooms.
At LRV 55 vs 31, Tranquil Dawn is decisively the brighter choice.
At LRV 55 vs 7, Tranquil Dawn is decisively the brighter choice.
At LRV 55 vs 24, Tranquil Dawn is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 57 vs 55), so neither reads brighter in a room.
At LRV 72 vs 55, Just Walnut is decisively the brighter choice.