Comparison

Let it Rain vs Overcast Day

Sherwin-Williams SW 9152 and Vista Paint 0512, ΔE 2.22 apart

Sherwin-Williams Let it Rain SW 9152 on a wall, hex #979FA5
Let it Rain Sherwin-Williams SW 9152
Vista Paint Overcast Day 0512 on a wall, hex #939BA4
Overcast Day Vista Paint 0512
Zeytin’s verdict · ΔE 2.22Close cousins. Paint a sample of each before you choose.

Sherwin-Williams Let it Rain (SW 9152) and Vista Paint Overcast Day (0512) measure a delta-E of 2.22 apart. They sit within 1.3 LRV points of each other, so neither will look brighter than the other on the same wall. Both carry a similar amount of color, at chroma 4.4 and 5.8. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Overcast Day depth in Sherwin-Williams's line, start from its LRV of 33.0 rather than matching by name.

Is Sherwin-Williams Let it Rain the same color as Vista Paint Overcast Day?

Not quite, but close - Sherwin-Williams Let it Rain and Vista Paint Overcast Day are delta-E 2.22 apart, close enough that most rooms would not show the difference.

What is the delta-E between Sherwin-Williams Let it Rain and Vista Paint Overcast Day?

The measured color distance between Sherwin-Williams Let it Rain and Vista Paint Overcast Day is delta-E 2.22.

Which is lighter, Sherwin-Williams Let it Rain or Vista Paint Overcast Day?

Sherwin-Williams Let it Rain is lighter than Vista Paint Overcast Day by 1.3 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.22 Let it Rain and Overcast Day
LIGHTESTLet it Rain LRV 34.3
DARKESTOvercast Day LRV 33.0
SPREAD1.3LRV points

Side by side

measured values
Let it Rain Overcast Day
Brand Sherwin-Williams Vista Paint
Code SW 9152 0512
Hex #979FA5 #939BA4
Light reflectance 34.3 33.0
Undertone blue cast blue cast
Chroma 4.4 5.8
Hue angle 248.4° 259.9°
Color family gray gray

Each on its own

full detail