RAL 540-4 vs Evergreen Fog
Where RAL 540-4 belongs to RAL Effect's range, Evergreen Fog is a Sherwin-Williams color. Hue-wise, RAL 540-4 belongs to the pink-purple family and Evergreen Fog to the green-grey family. Evergreen Fog (LRV 30) reflects noticeably more light than RAL 540-4 (LRV 21), a difference of 10 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 38.8, 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 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 540-4 vs Evergreen Fog in Real Spaces
6 real rooms side by side. Seeing RAL 540-4 and Evergreen Fog 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 Evergreen Fog will make the room feel meaningfully brighter than RAL 540-4 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. Evergreen Fog reflects noticeably more light off the walls, making the space read more open than RAL 540-4.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Evergreen Fog reflects noticeably more light off the walls, making the space read more open than RAL 540-4.
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. Evergreen Fog reflects noticeably more light off the walls, making the space read more open than RAL 540-4.
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. Evergreen Fog reflects noticeably more light off the walls, making the space read more open than RAL 540-4.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Evergreen Fog reflects noticeably more light off the walls, making the space read more open than RAL 540-4.
Color Details
RAL 540-4 vs Evergreen Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 540-4 on one side and Evergreen Fog 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 540-4 comparisons
See how RAL 540-4 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 21), opening up a space where RAL 540-4 encloses it.
At LRV 52 vs 21, Purbeck Stone is decisively the brighter choice.
At LRV 60 vs 21, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 21), opening up a space where RAL 540-4 encloses it.
Denim Drift reads slightly lighter (LRV 27 vs 21), a gap that shows most in low-lit rooms.
At LRV 43 vs 21, French Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 21), opening up a space where RAL 540-4 encloses it.
Hardwick White reflects far more light (LRV 44 vs 21), opening up a space where RAL 540-4 encloses it.
At LRV 84 vs 21, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 21), opening up a space where RAL 540-4 encloses it.
Shoji White reflects far more light (LRV 74 vs 21), opening up a space where RAL 540-4 encloses it.
RAL 540-4 reads slightly lighter (LRV 21 vs 12), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 21), opening up a space where RAL 540-4 encloses it.
RAL 540-4 reads slightly lighter (LRV 21 vs 12), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 21), opening up a space where RAL 540-4 encloses it.
A 11-point LRV gap (31 vs 21) makes Pale Green the marginally brighter of the two.
At LRV 21 vs 7, RAL 540-4 is decisively the brighter choice.
A 3-point LRV gap (24 vs 21) makes Cement grey the marginally brighter of the two.
At LRV 57 vs 21, Guilford Green is decisively the brighter choice.
At LRV 72 vs 21, Just Walnut is decisively the brighter choice.