Comparison

Terracotta Sand vs Colonial Revival Tan

Dunn-Edwards DE6136 and Sherwin-Williams SW 2828, ΔE 1.69 apart

Dunn-Edwards Terracotta Sand DE6136 on a wall, hex #D6BA9B
Terracotta Sand Dunn-Edwards DE6136
Sherwin-Williams Colonial Revival Tan SW 2828 on a wall, hex #D3B699
Colonial Revival Tan Sherwin-Williams SW 2828
Zeytin’s verdict · ΔE 1.69Twins, almost. Only daylight on a big wall tells them apart.

Dunn-Edwards Terracotta Sand (DE6136) and Sherwin-Williams Colonial Revival Tan (SW 2828) measure a delta-E of 1.69 apart. Terracotta Sand is 2.3 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 20.1 and 19.6. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Colonial Revival Tan depth in Dunn-Edwards's line, start from its LRV of 49.5 rather than matching by name.

Is Dunn-Edwards Terracotta Sand the same color as Sherwin-Williams Colonial Revival Tan?

Not quite, but close - Dunn-Edwards Terracotta Sand and Sherwin-Williams Colonial Revival Tan are delta-E 1.69 apart, close enough that most rooms would not show the difference.

What is the delta-E between Dunn-Edwards Terracotta Sand and Sherwin-Williams Colonial Revival Tan?

The measured color distance between Dunn-Edwards Terracotta Sand and Sherwin-Williams Colonial Revival Tan is delta-E 1.69.

Which is lighter, Dunn-Edwards Terracotta Sand or Sherwin-Williams Colonial Revival Tan?

Dunn-Edwards Terracotta Sand is lighter than Sherwin-Williams Colonial Revival Tan by 2.3 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.69 Terracotta Sand and Colonial Revival Tan
LIGHTESTTerracotta Sand LRV 51.8
DARKESTColonial Revival Tan LRV 49.5
SPREAD2.3LRV points

Side by side

measured values
Terracotta Sand Colonial Revival Tan
Brand Dunn-Edwards Sherwin-Williams
Code DE6136 SW 2828
Hex #D6BA9B #D3B699
Light reflectance 51.8 49.5
Undertone yellow yellow
Chroma 20.1 19.6
Hue angle 74.6° 72.0°
Color family tan tan

Each on its own

full detail