Form vs Stone grey
Form is a Jotun color while Stone grey comes from RAL Classic. Hue-wise, Form belongs to the greige-grey family and Stone grey to the grey family. With LRVs of 30 and 29, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 2.8, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Form vs Stone grey in Real Spaces
1 real room side by side. Form and Stone grey 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.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Color Details
Form vs Stone grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Form on one side and Stone grey 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 Form comparisons
See how Form stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 30, White Dove is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 30), opening up a space where Form encloses it.
With LRVs of 30 and 30, the two reflect almost the same amount of light.
Agreeable Gray reflects far more light (LRV 60 vs 30), opening up a space where Form encloses it.
At LRV 58 vs 30, Accessible Beige is decisively the brighter choice.
A 3-point LRV gap (30 vs 27) makes Form the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 30), opening up a space where Form encloses it.
At LRV 55 vs 30, Tranquil Dawn is decisively the brighter choice.
At LRV 44 vs 30, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 30), opening up a space where Form encloses it.
At LRV 66 vs 30, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 30, Shoji White is decisively the brighter choice.
At LRV 30 vs 12, Form is decisively the brighter choice.
At LRV 68 vs 30, Skimming Stone is decisively the brighter choice.
At LRV 30 vs 12, Form is decisively the brighter choice.
At LRV 45 vs 30, Saybrook Sage is decisively the brighter choice.
With LRVs of 31 and 30, the two reflect almost the same amount of light.