Tranquil Dawn vs Sky High
Where Tranquil Dawn belongs to Dulux's range, Sky High is a Sherwin-Williams color. Hue-wise, Tranquil Dawn belongs to the green-grey family and Sky High to the blue family. Sky High (LRV 78) reflects noticeably more light than Tranquil Dawn (LRV 55), a difference of 23 points that becomes especially apparent in rooms with limited natural light. Tranquil Dawn runs neutral while Sky High is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 14.2, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs Sky High in Real Spaces
2 real rooms side by side. Seeing Tranquil Dawn and Sky High 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 Sky High 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. Sky High reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
Color Details
Tranquil Dawn vs Sky High Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Sky High 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.
