Coastline vs Obsidian Green
Coastline (Benjamin Moore) and Obsidian Green (Little Greene) come from different manufacturers. Coastline reads as blue-grey, while Obsidian Green reads as green — two distinct hue families, not close cousins. The 33-point LRV gap — 34 for Coastline vs 1 for Obsidian Green — means Coastline will open up a space more effectively. Where Coastline leans blue, Obsidian Green reads green — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 54.5 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Coastline vs Obsidian Green in Real Spaces
1 real room side by side. Seeing Coastline and Obsidian Green 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
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Coastline returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Coastline vs Obsidian Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Coastline on one side and Obsidian Green 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 Coastline comparisons
See how Coastline stacks up against other well-photographed colors across different brands and tones.
