London Clay vs River Rouge
London Clay is a Farrow & Ball color while River Rouge comes from Sherwin-Williams. These are both greys, so the question isn't which hue to choose — it's where within grey to land. At LRV 15 vs 12, London Clay will read as the brighter of the two — a 4-point gap that matters most in north-facing or low-light rooms. They share a warm quality — useful to know if you're layering them in the same space. At ΔE 9.6, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
London Clay vs River Rouge Simulated Comparison
5 simulated room previews — drag the slider on each to see London Clay on one side and River Rouge 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 London Clay comparisons
See how London Clay stacks up against other well-photographed colors across different brands and tones.
Ammonite reflects far more light (LRV 69 vs 15), opening up a space where London Clay encloses it.
At LRV 83 vs 15, White Dove is decisively the brighter choice.
A 10-point LRV gap (15 vs 6) makes London Clay the marginally brighter of the two.
Purbeck Stone reflects far more light (LRV 52 vs 15), opening up a space where London Clay encloses it.
Evergreen Fog reflects far more light (LRV 30 vs 15), opening up a space where London Clay encloses it.
At LRV 52 vs 15, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 15), opening up a space where London Clay encloses it.
At LRV 58 vs 15, Accessible Beige is decisively the brighter choice.
A 12-point LRV gap (27 vs 15) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 15), opening up a space where London Clay encloses it.
London Clay reads slightly lighter (LRV 15 vs 4), a gap that shows most in low-lit rooms.
At LRV 55 vs 15, Tranquil Dawn is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 15 vs 13), so neither reads brighter in a room.
At LRV 44 vs 15, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 15), opening up a space where London Clay encloses it.
Artichoke reads slightly lighter (LRV 21 vs 15), a gap that shows most in low-lit rooms.
At LRV 66 vs 15, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 15, Shoji White is decisively the brighter choice.
At LRV 83 vs 15, Snowbound is decisively the brighter choice.
Pigeon reflects far more light (LRV 51 vs 15), opening up a space where London Clay encloses it.
A 4-point LRV gap (15 vs 12) makes London Clay the marginally brighter of the two.
A 7-point LRV gap (15 vs 8) makes London Clay the marginally brighter of the two.
At LRV 68 vs 15, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 15), opening up a space where London Clay encloses it.
A 4-point LRV gap (15 vs 12) makes London Clay the marginally brighter of the two.
At LRV 45 vs 15, Saybrook Sage is decisively the brighter choice.
Pale Green reflects far more light (LRV 31 vs 15), opening up a space where London Clay encloses it.