RAL 640-M vs Evergreen Fog
Where RAL 640-M belongs to RAL Effect's range, Evergreen Fog is a Sherwin-Williams color. RAL 640-M reads as blue, while Evergreen Fog reads as green-grey — two distinct hue families, not close cousins. Evergreen Fog (LRV 30) reflects noticeably more light than RAL 640-M (LRV 5), a difference of 25 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 53.5, 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-M vs Evergreen Fog in Real Spaces
4 real rooms side by side. Seeing RAL 640-M 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.
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 640-M.
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 640-M.
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 640-M.
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 640-M.
Color Details
RAL 640-M vs Evergreen Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 640-M 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 640-M comparisons
See how RAL 640-M stacks up against other well-photographed colors across different brands and tones.
