S 1502-Y vs Grey Blue
S 1502-Y is a NCS color while Grey Blue comes from RAL Classic. Hue-wise, S 1502-Y belongs to the greige-grey family and Grey Blue to the blue-grey family. At LRV 64 vs 7, S 1502-Y will read as the brighter of the two — a 57-point gap that matters most in north-facing or low-light rooms. At ΔE 53.5, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
S 1502-Y vs Grey Blue in Real Spaces
2 real rooms side by side. Seeing S 1502-Y and Grey Blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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 S 1502-Y will make the room feel meaningfully brighter than Grey Blue would.
Color Details
S 1502-Y vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see S 1502-Y on one side and Grey Blue 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 S 1502-Y comparisons
See how S 1502-Y stacks up against other well-photographed colors across different brands and tones.

White Dove reads lighter
NCS vs Benjamin Moore

NCS vs Farrow & Ball
NCS vs Farrow & Ball

Light vs dark contrast
NCS vs Sherwin-Williams

S 1502-Y reads lighter
NCS vs Farrow & Ball

Light vs dark contrast
NCS vs Sherwin-Williams

S 1502-Y reads lighter
NCS vs Farrow & Ball

NCS vs Sherwin-Williams
NCS vs Sherwin-Williams

Light vs dark contrast
NCS vs Dulux

S 1502-Y reads lighter
NCS vs Dulux

NCS vs Benjamin Moore
NCS vs Benjamin Moore

Light vs dark contrast
NCS vs Benjamin Moore

Light vs dark contrast
NCS vs RAL Classic

Light vs dark contrast
NCS vs Dulux

Light vs dark contrast
NCS vs RAL Classic

Light vs dark contrast
NCS vs RAL Classic

NCS vs Tikkurila
NCS vs Tikkurila

NCS vs Jotun
NCS vs Jotun

Light vs dark contrast
NCS vs Little Greene

Light vs dark contrast
NCS vs Jotun

Light vs dark contrast
NCS vs Little Greene

S 1502-Y reads lighter
NCS vs Jotun

Light vs dark contrast
NCS vs Little Greene

Light vs dark contrast
NCS vs Valspar

Light vs dark contrast
NCS vs Behr

S 1502-Y reads lighter
NCS vs Behr

Light vs dark contrast
NCS vs Behr

NCS vs RAL Effect
NCS vs RAL Effect

RAL 110-1 reads lighter
NCS vs RAL Effect

Light vs dark contrast
NCS vs Tikkurila

Light vs dark contrast
NCS vs Valspar













