Comparison

Aviary Blue vs River Mist

Sherwin-Williams SW 6778 and Valspar 5003-9A, ΔE 2.36 apart

Sherwin-Williams Aviary Blue SW 6778 on a wall, hex #C6E3E8
Aviary Blue Sherwin-Williams SW 6778
Valspar River Mist 5003-9A on a wall, hex #C6E8EF
River Mist Valspar 5003-9A
Zeytin’s verdict · ΔE 2.36Close cousins. Paint a sample of each before you choose.

Sherwin-Williams Aviary Blue (SW 6778) and Valspar River Mist (5003-9A) measure a delta-E of 2.36 apart. River Mist is 2.3 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 10.2 and 12. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Aviary Blue depth in Valspar's line, start from its LRV of 72.7 rather than matching by name.

Is Sherwin-Williams Aviary Blue the same color as Valspar River Mist?

Not quite, but close - Sherwin-Williams Aviary Blue and Valspar River Mist are delta-E 2.36 apart, close enough that most rooms would not show the difference.

What is the delta-E between Sherwin-Williams Aviary Blue and Valspar River Mist?

The measured color distance between Sherwin-Williams Aviary Blue and Valspar River Mist is delta-E 2.36.

Which is lighter, Sherwin-Williams Aviary Blue or Valspar River Mist?

Valspar River Mist is lighter than Sherwin-Williams Aviary Blue by 2.3 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.36 Aviary Blue and River Mist
LIGHTESTRiver Mist LRV 75.0
DARKESTAviary Blue LRV 72.7
SPREAD2.3LRV points

Side by side

measured values
Aviary Blue River Mist
Brand Sherwin-Williams Valspar
Code SW 6778 5003-9A
Hex #C6E3E8 #C6E8EF
Light reflectance 72.7 75.0
Undertone teal undertone teal undertone
Chroma 10.2 12.0
Hue angle 213.7° 216.5°
Color family teal teal

Each on its own

full detail