Comparison

Silken Blue vs Interesting Aqua

Benjamin Moore CSP-670 and Sherwin-Williams SW 6220, ΔE 0.55 apart

Benjamin Moore Silken Blue CSP-670 on a wall, hex #9BAFB1
Silken Blue Benjamin Moore CSP-670
Sherwin-Williams Interesting Aqua SW 6220 on a wall, hex #9BAFB2
Interesting Aqua Sherwin-Williams SW 6220
Zeytin’s verdict · ΔE 0.55Same color. Buy the cheaper one.

Benjamin Moore Silken Blue (CSP-670) and Sherwin-Williams Interesting Aqua (SW 6220) measure a delta-E of 0.55 apart. They sit within 0.4 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 7.3 and 7.4. Side by side on a wall these are effectively the same color. Choose on price and availability rather than appearance. If you need the Interesting Aqua depth in Benjamin Moore's line, start from its LRV of 40.9 rather than matching by name.

Is Benjamin Moore Silken Blue the same color as Sherwin-Williams Interesting Aqua?

Yes, by measurement - Benjamin Moore Silken Blue and Sherwin-Williams Interesting Aqua are only delta-E 0.55 apart, which is below what the human eye can reliably tell apart.

What is the delta-E between Benjamin Moore Silken Blue and Sherwin-Williams Interesting Aqua?

The measured color distance between Benjamin Moore Silken Blue and Sherwin-Williams Interesting Aqua is delta-E 0.55.

CLOSEST PAIRΔE 0.55 Silken Blue and Interesting Aqua
LIGHTESTSilken Blue LRV 41.3
DARKESTInteresting Aqua LRV 40.9
SPREAD0.4LRV points

Side by side

measured values
Silken Blue Interesting Aqua
Brand Benjamin Moore Sherwin-Williams
Code CSP-670 SW 6220
Hex #9BAFB1 #9BAFB2
Light reflectance 41.3 40.9
Undertone teal undertone teal undertone
Chroma 7.3 7.4
Hue angle 207.5° 211.8°
Color family teal teal

Each on its own

full detail