Comparison

Lavender Secret vs Wishful Blue

Benjamin Moore 1415 and Sherwin-Williams SW 6813, ΔE 2.24 apart

Benjamin Moore Lavender Secret 1415 on a wall, hex #DADDEA
Lavender Secret Benjamin Moore 1415
Sherwin-Williams Wishful Blue SW 6813 on a wall, hex #D8DDE6
Wishful Blue Sherwin-Williams SW 6813
Zeytin’s verdict · ΔE 2.24Close cousins. Paint a sample of each before you choose.

Benjamin Moore Lavender Secret (1415) and Sherwin-Williams Wishful Blue (SW 6813) measure a delta-E of 2.24 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 6.8 and 5. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Wishful Blue depth in Benjamin Moore's line, start from its LRV of 71.8 rather than matching by name.

Is Benjamin Moore Lavender Secret the same color as Sherwin-Williams Wishful Blue?

Not quite, but close - Benjamin Moore Lavender Secret and Sherwin-Williams Wishful Blue are delta-E 2.24 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Lavender Secret and Sherwin-Williams Wishful Blue?

The measured color distance between Benjamin Moore Lavender Secret and Sherwin-Williams Wishful Blue is delta-E 2.24.

Which is lighter, Benjamin Moore Lavender Secret or Sherwin-Williams Wishful Blue?

Benjamin Moore Lavender Secret is lighter than Sherwin-Williams Wishful Blue by 1.3 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.24 Lavender Secret and Wishful Blue
LIGHTESTLavender Secret LRV 73.1
DARKESTWishful Blue LRV 71.8
SPREAD1.3LRV points

Side by side

measured values
Lavender Secret Wishful Blue
Brand Benjamin Moore Sherwin-Williams
Code 1415 SW 6813
Hex #DADDEA #D8DDE6
Light reflectance 73.1 71.8
Undertone cool blue-gray cool blue-gray
Chroma 6.8 5.0
Hue angle 282.0° 270.0°
Color family gray gray

Each on its own

full detail