Tranquil Dawn vs S 0515-R80B
Where Tranquil Dawn belongs to Dulux's range, S 0515-R80B is a NCS color. Hue-wise, Tranquil Dawn belongs to the green-grey family and S 0515-R80B to the blue family. S 0515-R80B (LRV 71) reflects noticeably more light than Tranquil Dawn (LRV 55), a difference of 16 points that becomes especially apparent in rooms with limited natural light. Tranquil Dawn runs neutral while S 0515-R80B is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 16.6, 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.
Tranquil Dawn vs S 0515-R80B in Real Spaces
1 real room side by side. Seeing Tranquil Dawn and S 0515-R80B in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. S 0515-R80B reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
Color Details
Tranquil Dawn vs S 0515-R80B Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and S 0515-R80B 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.
