Comparison

Nocturnal Sea vs Oceanside

Dunn-Edwards DE5783 and Sherwin-Williams SW 6496, ΔE 2.46 apart

Dunn-Edwards Nocturnal Sea DE5783 on a wall, hex #0E6071
Nocturnal Sea Dunn-Edwards DE5783
Sherwin-Williams Oceanside SW 6496 on a wall, hex #015A6B
Oceanside Sherwin-Williams SW 6496
Zeytin’s verdict · ΔE 2.46Close cousins. Paint a sample of each before you choose.

Dunn-Edwards Nocturnal Sea (DE5783) and Sherwin-Williams Oceanside (SW 6496) measure a delta-E of 2.46 apart. Nocturnal Sea is 1.8 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 23 and 22.9. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Oceanside depth in Dunn-Edwards's line, start from its LRV of 7.9 rather than matching by name.

Is Dunn-Edwards Nocturnal Sea the same color as Sherwin-Williams Oceanside?

Not quite, but close - Dunn-Edwards Nocturnal Sea and Sherwin-Williams Oceanside are delta-E 2.46 apart, close enough that most rooms would not show the difference.

What is the delta-E between Dunn-Edwards Nocturnal Sea and Sherwin-Williams Oceanside?

The measured color distance between Dunn-Edwards Nocturnal Sea and Sherwin-Williams Oceanside is delta-E 2.46.

Which is lighter, Dunn-Edwards Nocturnal Sea or Sherwin-Williams Oceanside?

Dunn-Edwards Nocturnal Sea is lighter than Sherwin-Williams Oceanside by 1.8 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.46 Nocturnal Sea and Oceanside
LIGHTESTNocturnal Sea LRV 9.7
DARKESTOceanside LRV 7.9
SPREAD1.8LRV points

Side by side

measured values
Nocturnal Sea Oceanside
Brand Dunn-Edwards Sherwin-Williams
Code DE5783 SW 6496
Hex #0E6071 #015A6B
Light reflectance 9.7 7.9
Undertone teal teal
Chroma 23.0 22.9
Hue angle 224.6° 225.0°
Color family teal teal

Each on its own

full detail