Blue grey vs Rookwood Sash Green
Blue grey is a RAL Classic color while Rookwood Sash Green comes from Sherwin-Williams. Hue-wise, Blue grey belongs to the blue-grey family and Rookwood Sash Green to the blue-green family. At LRV 16 vs 13, Blue grey will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. At ΔE 7.2, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Blue grey vs Rookwood Sash Green in Real Spaces
4 real rooms side by side. Blue grey and Rookwood Sash Green 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.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The brightness difference is modest but present — Blue grey gives the walls a little more lift.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The brightness difference is modest but present — Blue grey gives the walls a little more lift.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The brightness difference is modest but present — Blue grey gives the walls a little more lift.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The brightness difference is modest but present — Blue grey gives the walls a little more lift.
Color Details
Blue grey vs Rookwood Sash Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue grey on one side and Rookwood Sash 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 Blue grey comparisons
See how Blue grey stacks up against other well-photographed colors across different brands and tones.
