Quartz grey vs Humble Yellow
Where Quartz grey belongs to RAL Classic's range, Humble Yellow is a Jotun color. Humble Yellow (LRV 57) reflects noticeably more light than Quartz grey (LRV 17), a difference of 40 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 37.8, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question.
Quartz grey vs Humble Yellow 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
Quartz grey vs Humble Yellow in Real Spaces
Seeing Quartz grey and Humble Yellow in actual rooms makes the difference concrete. Browse the spaces below to get a feel for how each color lives on a wall. Showing 1 room type where both colors have photos.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Humble Yellow reflects noticeably more light off the walls, making the space read more open than Quartz grey.
@yavuzcamdigital
@sorlandskjokken.no
More Quartz grey comparisons
See how Quartz 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

Quartz grey reads lighter
RAL Classic vs Sherwin-Williams

Light vs dark contrast
RAL Classic vs Farrow & Ball

Evergreen Fog reads lighter
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

Pale Green reads lighter
RAL Classic

Quartz grey reads lighter
RAL Classic vs Dulux

Two RAL Classic colors
RAL Classic

Quartz grey reads lighter
RAL Classic

Windmill Lane reads lighter
RAL Classic vs Little Greene

Light vs dark contrast
RAL Classic vs Jotun

Quartz grey reads lighter
RAL Classic vs Little Greene

Light vs dark contrast
RAL Classic vs Jotun

Light vs dark contrast
RAL Classic vs Jotun

RAL Classic vs Little Greene
RAL Classic vs Little Greene

Quartz grey reads lighter
RAL Classic vs Behr

Light vs dark contrast
RAL Classic vs Behr

Teton Blue reads lighter
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

Quartz grey reads lighter
RAL Classic vs NCS

Light vs dark contrast
RAL Classic vs NCS

Light vs dark contrast
RAL Classic vs NCS











