Comparison

Chelsea Gray vs Rand Moon

Sherwin-Williams SW 2850 and Vista Paint 0532, ΔE 2.37 apart

Sherwin-Williams Chelsea Gray SW 2850 on a wall, hex #B6B7B0
Chelsea Gray Sherwin-Williams SW 2850
Vista Paint Rand Moon 0532 on a wall, hex #B9B8B5
Rand Moon Vista Paint 0532
Zeytin’s verdict · ΔE 2.37Close cousins. Paint a sample of each before you choose.

Sherwin-Williams Chelsea Gray (SW 2850) and Vista Paint Rand Moon (0532) measure a delta-E of 2.37 apart. Rand Moon is 2.1 LRV points lighter, which is the difference you notice first. Chelsea Gray holds more color, chroma 3.8 against 1.6, so it grays out less in dim light. The undertones part company: Chelsea Gray reads as a yellow-green cast at hue angle 115.5 degrees, Rand Moon as a true neutral at 96.9. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Chelsea Gray depth in Vista Paint's line, start from its LRV of 46.9 rather than matching by name.

Is Sherwin-Williams Chelsea Gray the same color as Vista Paint Rand Moon?

Not quite, but close - Sherwin-Williams Chelsea Gray and Vista Paint Rand Moon are delta-E 2.37 apart, close enough that most rooms would not show the difference.

What is the delta-E between Sherwin-Williams Chelsea Gray and Vista Paint Rand Moon?

The measured color distance between Sherwin-Williams Chelsea Gray and Vista Paint Rand Moon is delta-E 2.37.

Which is lighter, Sherwin-Williams Chelsea Gray or Vista Paint Rand Moon?

Vista Paint Rand Moon is lighter than Sherwin-Williams Chelsea Gray by 2.1 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.37 Chelsea Gray and Rand Moon
LIGHTESTRand Moon LRV 49.0
DARKESTChelsea Gray LRV 46.9
SPREAD2.1LRV points

Side by side

measured values
Chelsea Gray Rand Moon
Brand Sherwin-Williams Vista Paint
Code SW 2850 0532
Hex #B6B7B0 #B9B8B5
Light reflectance 46.9 49.0
Undertone yellow-green cast true neutral
Chroma 3.8 1.6
Hue angle 115.5° 96.9°
Color family gray gray

Each on its own

full detail