Outer Sphere vs Peppermint Rock
Outer Sphere (Benjamin Moore) and Peppermint Rock (Dulux) come from different manufacturers. Hue-wise, Outer Sphere belongs to the green family and Peppermint Rock to the blue-green family. Their light reflectance values are nearly the same — 74 vs 75 — so neither will read significantly brighter or darker than the other. Where Outer Sphere leans green, Peppermint Rock reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 4.2 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Outer Sphere vs Peppermint Rock Simulated Comparison
5 simulated room previews — drag the slider on each to see Outer Sphere on one side and Peppermint Rock 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 Outer Sphere comparisons
See how Outer Sphere stacks up against other well-photographed colors across different brands and tones.








































