Warm Onyx vs Tranquil Dawn
Where Warm Onyx belongs to Behr's range, Tranquil Dawn is a Dulux color. Warm Onyx reads as grey, while Tranquil Dawn reads as green-grey — two distinct hue families, not close cousins. Tranquil Dawn (LRV 55) reflects noticeably more light than Warm Onyx (LRV 7), a difference of 48 points that becomes especially apparent in rooms with limited natural light. Warm Onyx runs red while Tranquil Dawn is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 47.5, 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 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Warm Onyx vs Tranquil Dawn in Real Spaces
1 real room side by side. Seeing Warm Onyx 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 Tranquil Dawn will make the room feel meaningfully brighter than Warm Onyx would.
Color Details
Warm Onyx vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Warm Onyx 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 Warm Onyx comparisons
See how Warm Onyx stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 7), opening up a space where Warm Onyx encloses it.
At LRV 52 vs 7, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 7, Evergreen Fog is decisively the brighter choice.
At LRV 60 vs 7, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 7), opening up a space where Warm Onyx encloses it.
Denim Drift reflects far more light (LRV 27 vs 7), opening up a space where Warm Onyx encloses it.
At LRV 43 vs 7, French Gray is decisively the brighter choice.
Hardwick White reflects far more light (LRV 44 vs 7), opening up a space where Warm Onyx encloses it.
At LRV 84 vs 7, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 7), opening up a space where Warm Onyx encloses it.
Shoji White reflects far more light (LRV 74 vs 7), opening up a space where Warm Onyx encloses it.
Pewter Green reads slightly lighter (LRV 12 vs 7), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 7), opening up a space where Warm Onyx encloses it.
Vintage Vogue reads slightly lighter (LRV 12 vs 7), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 7), opening up a space where Warm Onyx encloses it.
At LRV 31 vs 7, Pale Green is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 7 vs 7), so neither reads brighter in a room.
At LRV 24 vs 7, Cement grey is decisively the brighter choice.
At LRV 57 vs 7, Guilford Green is decisively the brighter choice.
At LRV 72 vs 7, Just Walnut is decisively the brighter choice.