Comparison

Harmonious vs Seawashed Glass

PPG 1120-5 and Sherwin-Williams SW 9034, ΔE 2.09 apart

PPG Harmonious 1120-5 on a wall, hex #AFC195
Harmonious PPG 1120-5
Sherwin-Williams Seawashed Glass SW 9034 on a wall, hex #A9C095
Seawashed Glass Sherwin-Williams SW 9034
Zeytin’s verdict · ΔE 2.09Close cousins. Paint a sample of each before you choose.

PPG Harmonious (1120-5) and Sherwin-Williams Seawashed Glass (SW 9034) measure a delta-E of 2.09 apart. They sit within 0.9 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 24.5 and 24.7. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Seawashed Glass depth in PPG's line, start from its LRV of 48.1 rather than matching by name.

Is PPG Harmonious the same color as Sherwin-Williams Seawashed Glass?

Not quite, but close - PPG Harmonious and Sherwin-Williams Seawashed Glass are delta-E 2.09 apart, close enough that most rooms would not show the difference.

What is the delta-E between PPG Harmonious and Sherwin-Williams Seawashed Glass?

The measured color distance between PPG Harmonious and Sherwin-Williams Seawashed Glass is delta-E 2.09.

CLOSEST PAIRΔE 2.09 Harmonious and Seawashed Glass
LIGHTESTHarmonious LRV 49.0
DARKESTSeawashed Glass LRV 48.1
SPREAD0.9LRV points

Side by side

measured values
Harmonious Seawashed Glass
Brand PPG Sherwin-Williams
Code 1120-5 SW 9034
Hex #AFC195 #A9C095
Light reflectance 49.0 48.1
Undertone yellow-green yellow-green
Chroma 24.5 24.7
Hue angle 124.7° 129.3°
Color family green green

Each on its own

full detail