Kingsport Gray vs RAL 770-4
Kingsport Gray is a Benjamin Moore color while RAL 770-4 comes from RAL Effect. These are both greige-greys, so the question isn't which hue to choose — it's where within greige-grey to land. At LRV 25 vs 20, Kingsport Gray will read as the brighter of the two — a 5-point gap that matters most in north-facing or low-light rooms. At ΔE 6.2, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Kingsport Gray vs RAL 770-4 in Real Spaces
2 real rooms side by side. Kingsport Gray and RAL 770-4 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.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The brightness difference is modest but present — Kingsport Gray gives the walls a little more lift.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The brightness difference is modest but present — Kingsport Gray gives the walls a little more lift.
Color Details
Kingsport Gray vs RAL 770-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Kingsport Gray on one side and RAL 770-4 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 Kingsport Gray comparisons
See how Kingsport Gray stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 25), opening up a space where Kingsport Gray encloses it.
At LRV 69 vs 25, Ammonite is decisively the brighter choice.
Kingsport Gray reflects far more light (LRV 25 vs 6), opening up a space where Iron Ore encloses it.
At LRV 52 vs 25, Purbeck Stone is decisively the brighter choice.
A 5-point LRV gap (30 vs 25) makes Evergreen Fog the marginally brighter of the two.
Mizzle reflects far more light (LRV 52 vs 25), opening up a space where Kingsport Gray encloses it.
At LRV 60 vs 25, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 25), opening up a space where Kingsport Gray encloses it.
With LRVs of 27 and 25, the two reflect almost the same amount of light.
At LRV 43 vs 25, French Gray is decisively the brighter choice.
At LRV 25 vs 4, Kingsport Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 25), opening up a space where Kingsport Gray encloses it.
Kingsport Gray reads slightly lighter (LRV 25 vs 13), a gap that shows most in low-lit rooms.
Hardwick White reflects far more light (LRV 44 vs 25), opening up a space where Kingsport Gray encloses it.
At LRV 84 vs 25, Pure White is decisively the brighter choice.
A 4-point LRV gap (25 vs 21) makes Kingsport Gray the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 25), opening up a space where Kingsport Gray encloses it.
Shoji White reflects far more light (LRV 74 vs 25), opening up a space where Kingsport Gray encloses it.
Snowbound reflects far more light (LRV 83 vs 25), opening up a space where Kingsport Gray encloses it.
Kingsport Gray reflects far more light (LRV 25 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 25), opening up a space where Kingsport Gray encloses it.
At LRV 41 vs 25, Dix Blue is decisively the brighter choice.
At LRV 68 vs 25, Calamine is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 25 vs 25), so neither reads brighter in a room.
Kingsport Gray reflects far more light (LRV 25 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reflects far more light (LRV 45 vs 25), opening up a space where Kingsport Gray encloses it.
A 6-point LRV gap (31 vs 25) makes Pale Green the marginally brighter of the two.
At LRV 25 vs 7, Kingsport Gray is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 25 vs 24), so neither reads brighter in a room.
At LRV 57 vs 25, Guilford Green is decisively the brighter choice.