Blue Gaspe vs Castle Peak Gray
Both from Benjamin Moore's palette. Hue-wise, Blue Gaspe belongs to the blue-grey family and Castle Peak Gray to the greige-grey family. They have nearly identical light reflectance values (14 vs 15), so they'll read as similarly Dark in most lighting conditions. Blue Gaspe runs blue while Castle Peak Gray is decidedly yellow, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 20.7, 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.
Blue Gaspe vs Castle Peak Gray in Real Spaces
1 real room side by side. Seeing Blue Gaspe and Castle Peak Gray 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. Castle Peak Gray brings more warmth to the space, while Blue Gaspe keeps things cooler and crisper.
Color Details
Blue Gaspe vs Castle Peak Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Gaspe on one side and Castle Peak Gray 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 Blue Gaspe comparisons
See how Blue Gaspe stacks up against other well-photographed colors across different brands and tones.
