Chelsea Gray in Vista Paint

The closest Vista Paint paint to Sherwin-Williams Chelsea Gray (SW 2850) is Fossilized 0581, a delta-E of 1.42 away — close enough to swap without anyone noticing, though a large sample in daylight will show the difference.

Fossilized is 1.1 LRV points lighter, so the room will read slightly brighter. Undertone reads as yellow-green cast against yellow-green cast, at chroma 5.0 and 3.8.

Codes are not transferable between manufacturers and no brand publishes a conversion table, so every figure here is measured from the published hex values rather than taken from a chart.