Dark Lead Colour vs Mountain Pass
Dark Lead Colour (Little Greene) and Mountain Pass (Sherwin-Williams) come from different manufacturers. Hue-wise, Dark Lead Colour belongs to the grey family and Mountain Pass to the blue-grey family. Their light reflectance values are nearly the same — 15 vs 14 — so neither will read significantly brighter or darker than the other. Where Dark Lead Colour leans red, Mountain Pass reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 7.5 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Dark Lead Colour vs Mountain Pass in Real Spaces
1 real room side by side. Dark Lead Colour and Mountain Pass are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Dark Lead Colour vs Mountain Pass Simulated Comparison
5 simulated room previews — drag the slider on each to see Dark Lead Colour on one side and Mountain Pass 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 Dark Lead Colour comparisons
See how Dark Lead Colour stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 15, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 15), opening up a space where Dark Lead Colour encloses it.
Dark Lead Colour reads slightly lighter (LRV 15 vs 6), a gap that shows most in low-lit rooms.
At LRV 52 vs 15, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 15, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 15), opening up a space where Dark Lead Colour encloses it.
At LRV 60 vs 15, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 15), opening up a space where Dark Lead Colour encloses it.
Denim Drift reflects far more light (LRV 27 vs 15), opening up a space where Dark Lead Colour encloses it.
At LRV 43 vs 15, French Gray is decisively the brighter choice.
A 10-point LRV gap (15 vs 4) makes Dark Lead Colour the marginally brighter of the two.
Tranquil Dawn reflects far more light (LRV 55 vs 15), opening up a space where Dark Lead Colour encloses it.
With LRVs of 15 and 13, the two reflect almost the same amount of light.
Hardwick White reflects far more light (LRV 44 vs 15), opening up a space where Dark Lead Colour encloses it.
At LRV 84 vs 15, Pure White is decisively the brighter choice.
A 7-point LRV gap (21 vs 15) makes Artichoke the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 15), opening up a space where Dark Lead Colour encloses it.
Shoji White reflects far more light (LRV 74 vs 15), opening up a space where Dark Lead Colour encloses it.
Snowbound reflects far more light (LRV 83 vs 15), opening up a space where Dark Lead Colour encloses it.
At LRV 51 vs 15, Pigeon is decisively the brighter choice.
With LRVs of 15 and 12, the two reflect almost the same amount of light.
Dark Lead Colour reads slightly lighter (LRV 15 vs 8), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 15), opening up a space where Dark Lead Colour encloses it.
At LRV 41 vs 15, Dix Blue is decisively the brighter choice.
With LRVs of 15 and 12, the two reflect almost the same amount of light.
Saybrook Sage reflects far more light (LRV 45 vs 15), opening up a space where Dark Lead Colour encloses it.
At LRV 31 vs 15, Pale Green is decisively the brighter choice.