Comparison

San Francisco Bay vs Serene Sea

Benjamin Moore 802 and PPG 1158-4, ΔE 1.22 apart

Benjamin Moore San Francisco Bay 802 on a wall, hex #79A7C5
San Francisco Bay Benjamin Moore 802
PPG Serene Sea 1158-4 on a wall, hex #78A7C3
Serene Sea PPG 1158-4
Zeytin’s verdict · ΔE 1.22Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore San Francisco Bay (802) and PPG Serene Sea (1158-4) measure a delta-E of 1.22 apart. San Francisco Bay is 1.8 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 21.7 and 21.1. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Serene Sea depth in Benjamin Moore's line, start from its LRV of 36.0 rather than matching by name.

Is Benjamin Moore San Francisco Bay the same color as PPG Serene Sea?

Not quite, but close - Benjamin Moore San Francisco Bay and PPG Serene Sea are delta-E 1.22 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore San Francisco Bay and PPG Serene Sea?

The measured color distance between Benjamin Moore San Francisco Bay and PPG Serene Sea is delta-E 1.22.

Which is lighter, Benjamin Moore San Francisco Bay or PPG Serene Sea?

Benjamin Moore San Francisco Bay is lighter than PPG Serene Sea by 1.8 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.22 San Francisco Bay and Serene Sea
LIGHTESTSan Francisco Bay LRV 37.8
DARKESTSerene Sea LRV 36.0
SPREAD1.8LRV points

Side by side

measured values
San Francisco Bay Serene Sea
Brand Benjamin Moore PPG
Code 802 1158-4
Hex #79A7C5 #78A7C3
Light reflectance 37.8 36.0
Undertone blue blue
Chroma 21.7 21.1
Hue angle 249.0° 246.1°
Color family teal teal

Each on its own

full detail