Grey Blue vs Retreat
Where Grey Blue belongs to RAL Classic's range, Retreat is a Sherwin-Williams color. Hue-wise, Grey Blue belongs to the blue-grey family and Retreat to the grey family. Retreat (LRV 21) reflects noticeably more light than Grey Blue (LRV 7), a difference of 13 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 24.0, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Grey Blue vs Retreat in Real Spaces
4 real rooms side by side. Seeing Grey Blue and Retreat in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Retreat reflects noticeably more light off the walls, making the space read more open than Grey Blue.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Retreat reflects noticeably more light off the walls, making the space read more open than Grey Blue.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Retreat will make the room feel meaningfully brighter than Grey Blue would.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Retreat reflects noticeably more light off the walls, making the space read more open than Grey Blue.
Color Details
Grey Blue vs Retreat Simulated Comparison
5 simulated room previews — drag the slider on each to see Grey Blue on one side and Retreat 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 Grey Blue comparisons
See how Grey Blue stacks up against other well-photographed colors across different brands and tones.
