RAL 820-2 vs Morning Fog
RAL 820-2 is a RAL Effect color while Morning Fog comes from Sherwin-Williams. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. With LRVs of 42 and 42, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 0.7, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 820-2 vs Morning Fog in Real Spaces
4 real rooms side by side. RAL 820-2 and Morning Fog are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Kitchen
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Color Details
RAL 820-2 vs Morning Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 820-2 on one side and Morning 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 820-2 comparisons
See how RAL 820-2 stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 42, White Dove is decisively the brighter choice.
Purbeck Stone reads slightly lighter (LRV 52 vs 42), a gap that shows most in low-lit rooms.
RAL 820-2 reads slightly lighter (LRV 42 vs 30), a gap that shows most in low-lit rooms.
Agreeable Gray reflects far more light (LRV 60 vs 42), opening up a space where RAL 820-2 encloses it.
At LRV 58 vs 42, Accessible Beige is decisively the brighter choice.
At LRV 42 vs 27, RAL 820-2 is decisively the brighter choice.
With LRVs of 43 and 42, the two reflect almost the same amount of light.
At LRV 55 vs 42, Tranquil Dawn is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 44 vs 42), so neither reads brighter in a room.
Pure White reflects far more light (LRV 84 vs 42), opening up a space where RAL 820-2 encloses it.
At LRV 66 vs 42, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 42, Shoji White is decisively the brighter choice.
At LRV 42 vs 12, RAL 820-2 is decisively the brighter choice.
At LRV 68 vs 42, Skimming Stone is decisively the brighter choice.
At LRV 42 vs 12, RAL 820-2 is decisively the brighter choice.
A 4-point LRV gap (45 vs 42) makes Saybrook Sage the marginally brighter of the two.
RAL 820-2 reads slightly lighter (LRV 42 vs 31), a gap that shows most in low-lit rooms.
RAL 820-2 reflects far more light (LRV 42 vs 7), opening up a space where Pine Needle encloses it.
RAL 820-2 reflects far more light (LRV 42 vs 24), opening up a space where Cement grey encloses it.
Guilford Green reflects far more light (LRV 57 vs 42), opening up a space where RAL 820-2 encloses it.