Castle Peak Gray vs Tranquil Dawn
Castle Peak Gray is a Benjamin Moore color while Tranquil Dawn comes from Dulux. Hue-wise, Castle Peak Gray belongs to the greige-grey family and Tranquil Dawn to the green-grey family. At LRV 55 vs 15, Tranquil Dawn will read as the brighter of the two — a 40-point gap that matters most in north-facing or low-light rooms. The tonal difference — Castle Peak Gray's yellow character against Tranquil Dawn's neutral — becomes most visible against white trim or in morning light. At ΔE 35.1, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Castle Peak Gray vs Tranquil Dawn in Real Spaces
1 real room side by side. Seeing Castle Peak Gray 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.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Tranquil Dawn will make the room feel meaningfully brighter than Castle Peak Gray would.
Color Details
Castle Peak Gray vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Castle Peak Gray 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 Castle Peak Gray comparisons
See how Castle Peak Gray stacks up against other well-photographed colors across different brands and tones.










































