Cool Ashes vs Tranquil Dawn
Where Cool Ashes belongs to Behr's range, Tranquil Dawn is a Dulux color. Cool Ashes 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 Cool Ashes (LRV 29), a difference of 26 points that becomes especially apparent in rooms with limited natural light. Cool Ashes 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 18.3, 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.
Cool Ashes vs Tranquil Dawn in Real Spaces
1 real room side by side. Seeing Cool Ashes 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.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Tranquil Dawn reflects noticeably more light off the walls, making the space read more open than Cool Ashes.
Color Details
Cool Ashes vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Cool Ashes 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 Cool Ashes comparisons
See how Cool Ashes stacks up against other well-photographed colors across different brands and tones.
