Cloudy Slate vs Black green
Where Cloudy Slate belongs to PPG's range, Black green is a RAL Classic color. Cloudy Slate reads as grey, while Black green reads as blue-green — two distinct hue families, not close cousins. Cloudy Slate (LRV 29) reflects noticeably more light than Black green (LRV 7), a difference of 22 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 36.6, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cloudy Slate vs Black green in Real Spaces
2 real rooms side by side. Seeing Cloudy Slate and Black green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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. Cloudy Slate reflects noticeably more light off the walls, making the space read more open than Black green.
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. Cloudy Slate reflects noticeably more light off the walls, making the space read more open than Black green.
Color Details
Cloudy Slate vs Black green Simulated Comparison
5 simulated room previews — drag the slider on each to see Cloudy Slate on one side and Black green 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 Cloudy Slate comparisons
See how Cloudy Slate stacks up against other well-photographed colors across different brands and tones.











































