Comparison

Rhythm and Blues vs Cloudless

Benjamin Moore 758 and Sherwin-Williams SW 6786, ΔE 1.93 apart

Benjamin Moore Rhythm and Blues 758 on a wall, hex #8AD0DB
Rhythm and Blues Benjamin Moore 758
Sherwin-Williams Cloudless SW 6786 on a wall, hex #8FD0DD
Cloudless Sherwin-Williams SW 6786
Zeytin’s verdict · ΔE 1.93Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Rhythm and Blues (758) and Sherwin-Williams Cloudless (SW 6786) measure a delta-E of 1.93 apart. They sit within 0 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 22.8 and 21.7. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Rhythm and Blues depth in Sherwin-Williams's line, start from its LRV of 56.2 rather than matching by name.

Is Benjamin Moore Rhythm and Blues the same color as Sherwin-Williams Cloudless?

Not quite, but close - Benjamin Moore Rhythm and Blues and Sherwin-Williams Cloudless are delta-E 1.93 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Rhythm and Blues and Sherwin-Williams Cloudless?

The measured color distance between Benjamin Moore Rhythm and Blues and Sherwin-Williams Cloudless is delta-E 1.93.

CLOSEST PAIRΔE 1.93 Rhythm and Blues and Cloudless
LIGHTESTRhythm and Blues LRV 56.2
DARKESTRhythm and Blues LRV 56.2
SPREAD0LRV points

Side by side

measured values
Rhythm and Blues Cloudless
Brand Benjamin Moore Sherwin-Williams
Code 758 SW 6786
Hex #8AD0DB #8FD0DD
Light reflectance 56.2 56.2
Undertone teal teal
Chroma 22.8 21.7
Hue angle 212.9° 216.8°
Color family teal teal

Each on its own

full detail