Umbra grey vs Just Walnut
Umbra grey is a RAL Classic color while Just Walnut comes from Dulux. At LRV 72 vs 10, Just Walnut will read as the brighter of the two — a 62-point gap that matters most in north-facing or low-light rooms. At ΔE 55.9, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions.
Umbra grey vs Just Walnut 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
Umbra grey vs Just Walnut in Real Spaces
Seeing Umbra grey and Just Walnut in actual rooms makes the difference concrete. Browse the spaces below to get a feel for how each color lives on a wall. Showing 3 room types where both colors have photos.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Just Walnut returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
@armoni.interior
@dc__decorating
Kitchen
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The LRV gap is large enough that Just Walnut will make the room feel meaningfully brighter than Umbra grey would.
@wezu_art
@renovatingmr
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Just Walnut will make the room feel meaningfully brighter than Umbra grey would.
@cheshire.upvc.coatings
@athomewithfaye
More Umbra grey comparisons
See how Umbra 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

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

Light vs dark contrast
RAL Classic vs Farrow & Ball

Light vs dark contrast
RAL Classic vs Sherwin-Williams

Light vs dark contrast
RAL Classic vs Farrow & Ball

Light vs dark contrast
RAL Classic vs Sherwin-Williams

Denim Drift reads lighter
RAL Classic vs Dulux

Light vs dark contrast
RAL Classic vs Dulux

Light vs dark contrast
RAL Classic vs Benjamin Moore

RAL Classic vs Benjamin Moore
RAL Classic vs Benjamin Moore

Light vs dark contrast
RAL Classic

RAL Classic vs Dulux
RAL Classic vs Dulux

Cement grey reads lighter
RAL Classic

Two RAL Classic colors
RAL Classic

Light vs dark contrast
RAL Classic vs Jotun

Light vs dark contrast
RAL Classic vs Little Greene

Light vs dark contrast
RAL Classic vs Jotun

RAL Classic vs Little Greene
RAL Classic vs Little Greene

Light vs dark contrast
RAL Classic vs Jotun

Tea with Florence reads lighter
RAL Classic vs Little Greene

RAL Classic vs Behr
RAL Classic vs Behr

Light vs dark contrast
RAL Classic vs Behr

Light vs dark contrast
RAL Classic vs Behr

Light vs dark contrast
RAL Classic vs RAL Effect

Light vs dark contrast
RAL Classic vs RAL Effect

Light vs dark contrast
RAL Classic vs RAL Effect

RAL Classic vs NCS
RAL Classic vs NCS

Light vs dark contrast
RAL Classic vs NCS

Light vs dark contrast
RAL Classic vs NCS















