Signal grey vs Obsidian Green
Signal grey (RAL Classic) and Obsidian Green (Little Greene) come from different manufacturers. The 34-point LRV gap — 35 for Signal grey vs 1 for Obsidian Green — means Signal grey will open up a space more effectively. A ΔE of 53.6 puts these firmly in different territory — two distinct design choices rather than close alternatives.
Signal grey vs Obsidian Green Color Comparison
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.
Color Details
Signal grey vs Obsidian Green in Real Spaces
Seeing Signal grey 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. Showing 2 room types where both colors have photos.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Signal grey returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
@laboutiquedumenuisiercastres
@townshomerefurbishment
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. Signal grey returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
@mot_bomond
@nwspecialistcoatings
More Signal grey comparisons
See how Signal grey stacks up against other well-photographed colors across different brands and tones.

Light vs dark contrast
RAL Classic vs Benjamin Moore

Light vs dark contrast
RAL Classic vs Farrow & Ball

Light vs dark contrast
RAL Classic vs Sherwin-Williams

Purbeck Stone reads lighter
RAL Classic vs Farrow & Ball

RAL Classic vs Sherwin-Williams
RAL Classic vs Sherwin-Williams

Mizzle reads lighter
RAL Classic vs Farrow & Ball

Light vs dark contrast
RAL Classic vs Sherwin-Williams

RAL Classic vs Dulux
RAL Classic vs Dulux

Light vs dark contrast
RAL Classic vs Dulux

Light vs dark contrast
RAL Classic vs Benjamin Moore

Light vs dark contrast
RAL Classic vs Benjamin Moore

Two RAL Classic colors
RAL Classic

Light vs dark contrast
RAL Classic vs Dulux

Signal grey reads lighter
RAL Classic

Light vs dark contrast
RAL Classic

Light vs dark contrast
RAL Classic vs Jotun

RAL Classic vs Little Greene
RAL Classic vs Little Greene

RAL Classic vs Jotun
RAL Classic vs Jotun

Light vs dark contrast
RAL Classic vs Little Greene

Washed Linen reads lighter
RAL Classic vs Jotun

Signal grey reads lighter
RAL Classic vs Little Greene

Light vs dark contrast
RAL Classic vs Behr

Classic Silver reads lighter
RAL Classic vs Behr

RAL Classic vs Behr
RAL Classic vs Behr

Light vs dark contrast
RAL Classic vs RAL Effect

Light vs dark contrast
RAL Classic vs RAL Effect

RAL 180-1 reads lighter
RAL Classic vs RAL Effect

Light vs dark contrast
RAL Classic vs NCS

Light vs dark contrast
RAL Classic vs NCS

Light vs dark contrast
RAL Classic vs NCS













