Quartz grey vs RAL 590-5
Quartz grey is a RAL Classic color while RAL 590-5 comes from RAL Effect. Quartz grey reads as grey, while RAL 590-5 reads as blue — two distinct hue families, not close cousins. At LRV 17 vs 4, Quartz grey will read as the brighter of the two — a 13-point gap that matters most in north-facing or low-light rooms. At ΔE 42.5, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Quartz grey vs RAL 590-5 in Real Spaces
3 real rooms side by side. Seeing Quartz grey and RAL 590-5 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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 Quartz grey will make the room feel meaningfully brighter than RAL 590-5 would.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The LRV gap is large enough that Quartz grey will make the room feel meaningfully brighter than RAL 590-5 would.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Quartz grey will make the room feel meaningfully brighter than RAL 590-5 would.
Color Details
Quartz grey vs RAL 590-5 Simulated Comparison
5 simulated room previews — drag the slider on each to see Quartz grey on one side and RAL 590-5 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 Quartz grey comparisons
See how Quartz grey stacks up against other well-photographed colors across different brands and tones.
