RAL 640-5 vs Agreeable Gray
Where RAL 640-5 belongs to RAL Effect's range, Agreeable Gray is a Sherwin-Williams color. Hue-wise, RAL 640-5 belongs to the blue family and Agreeable Gray to the greige-grey family. Agreeable Gray (LRV 60) reflects noticeably more light than RAL 640-5 (LRV 6), a difference of 55 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 63.3, 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.
RAL 640-5 vs Agreeable Gray in Real Spaces
4 real rooms side by side. Seeing RAL 640-5 and Agreeable Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Agreeable Gray will make the room feel meaningfully brighter than RAL 640-5 would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than RAL 640-5.
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. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than RAL 640-5.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than RAL 640-5.
Color Details
RAL 640-5 vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 640-5 on one side and Agreeable Gray 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 RAL 640-5 comparisons
See how RAL 640-5 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 6), opening up a space where RAL 640-5 encloses it.
At LRV 52 vs 6, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 6, Evergreen Fog is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 6), opening up a space where RAL 640-5 encloses it.
Denim Drift reflects far more light (LRV 27 vs 6), opening up a space where RAL 640-5 encloses it.
At LRV 43 vs 6, French Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 6), opening up a space where RAL 640-5 encloses it.
Hardwick White reflects far more light (LRV 44 vs 6), opening up a space where RAL 640-5 encloses it.
At LRV 84 vs 6, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 6), opening up a space where RAL 640-5 encloses it.
Shoji White reflects far more light (LRV 74 vs 6), opening up a space where RAL 640-5 encloses it.
Pewter Green reads slightly lighter (LRV 12 vs 6), a gap that shows most in low-lit rooms.
With LRVs of 8 and 6, the two reflect almost the same amount of light.
Skimming Stone reflects far more light (LRV 68 vs 6), opening up a space where RAL 640-5 encloses it.
Vintage Vogue reads slightly lighter (LRV 12 vs 6), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 6), opening up a space where RAL 640-5 encloses it.
At LRV 31 vs 6, Pale Green is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 7 vs 6), so neither reads brighter in a room.