Comparison

Tres Naturale vs Romulus

Sherwin-Williams SW 9101 and Vista Paint 0154, ΔE 2.48 apart

Sherwin-Williams Tres Naturale SW 9101 on a wall, hex #DCC7AD
Tres Naturale Sherwin-Williams SW 9101
Vista Paint Romulus 0154 on a wall, hex #DCC2A9
Romulus Vista Paint 0154
Zeytin’s verdict · ΔE 2.48Close cousins. Paint a sample of each before you choose.

Sherwin-Williams Tres Naturale (SW 9101) and Vista Paint Romulus (0154) measure a delta-E of 2.48 apart. Tres Naturale is 2.1 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 16 and 16.8. The undertones part company: Tres Naturale reads as a yellow at hue angle 78.2 degrees, Romulus as a orange at 71.5. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Romulus depth in Sherwin-Williams's line, start from its LRV of 57.0 rather than matching by name.

Is Sherwin-Williams Tres Naturale the same color as Vista Paint Romulus?

Not quite, but close - Sherwin-Williams Tres Naturale and Vista Paint Romulus are delta-E 2.48 apart, close enough that most rooms would not show the difference.

What is the delta-E between Sherwin-Williams Tres Naturale and Vista Paint Romulus?

The measured color distance between Sherwin-Williams Tres Naturale and Vista Paint Romulus is delta-E 2.48.

Which is lighter, Sherwin-Williams Tres Naturale or Vista Paint Romulus?

Sherwin-Williams Tres Naturale is lighter than Vista Paint Romulus by 2.1 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.48 Tres Naturale and Romulus
LIGHTESTTres Naturale LRV 59.1
DARKESTRomulus LRV 57.0
SPREAD2.1LRV points

Side by side

measured values
Tres Naturale Romulus
Brand Sherwin-Williams Vista Paint
Code SW 9101 0154
Hex #DCC7AD #DCC2A9
Light reflectance 59.1 57.0
Undertone yellow orange
Chroma 16.0 16.8
Hue angle 78.2° 71.5°
Color family tan tan

Each on its own

full detail