RAL 820-3 vs Agreeable Gray
Where RAL 820-3 belongs to RAL Effect's range, Agreeable Gray is a Sherwin-Williams color. Hue-wise, RAL 820-3 belongs to the grey family and Agreeable Gray to the greige-grey family. Agreeable Gray (LRV 60) reflects noticeably more light than RAL 820-3 (LRV 29), a difference of 32 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 22.8, 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 820-3 vs Agreeable Gray in Real Spaces
4 real rooms side by side. Seeing RAL 820-3 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.
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 820-3.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than RAL 820-3.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than RAL 820-3.
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 820-3.
Color Details
RAL 820-3 vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 820-3 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 820-3 comparisons
See how RAL 820-3 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 29), opening up a space where RAL 820-3 encloses it.
At LRV 52 vs 29, Purbeck Stone is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 30 vs 29), so neither reads brighter in a room.
Accessible Beige reflects far more light (LRV 58 vs 29), opening up a space where RAL 820-3 encloses it.
With LRVs of 29 and 27, the two reflect almost the same amount of light.
At LRV 43 vs 29, French Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 29), opening up a space where RAL 820-3 encloses it.
Hardwick White reflects far more light (LRV 44 vs 29), opening up a space where RAL 820-3 encloses it.
At LRV 84 vs 29, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 29), opening up a space where RAL 820-3 encloses it.
Shoji White reflects far more light (LRV 74 vs 29), opening up a space where RAL 820-3 encloses it.
RAL 820-3 reflects far more light (LRV 29 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 29), opening up a space where RAL 820-3 encloses it.
RAL 820-3 reflects far more light (LRV 29 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reflects far more light (LRV 45 vs 29), opening up a space where RAL 820-3 encloses it.
Their light reflectance is nearly identical (LRV 31 vs 29), so neither reads brighter in a room.
At LRV 29 vs 7, RAL 820-3 is decisively the brighter choice.
A 5-point LRV gap (29 vs 24) makes RAL 820-3 the marginally brighter of the two.
At LRV 57 vs 29, Guilford Green is decisively the brighter choice.
At LRV 72 vs 29, Just Walnut is decisively the brighter choice.