Comparison

Dreamy Cloud vs Tentative Dawn

Benjamin Moore 2117-70 and Vista Paint 7204, ΔE 0.9 apart

Benjamin Moore Dreamy Cloud 2117-70 on a wall, hex #E5E3E7
Dreamy Cloud Benjamin Moore 2117-70
Vista Paint Tentative Dawn 7204 on a wall, hex #E4E4E9
Tentative Dawn Vista Paint 7204
Zeytin’s verdict · ΔE 0.9Same color. Buy the cheaper one.

Benjamin Moore Dreamy Cloud (2117-70) and Vista Paint Tentative Dawn (7204) measure a delta-E of 0.9 apart. Dreamy Cloud is 2.4 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 2.2 and 2.6. Side by side on a wall these are effectively the same color. Choose on price and availability rather than appearance. If you need the Tentative Dawn depth in Benjamin Moore's line, start from its LRV of 74.0 rather than matching by name.

Is Benjamin Moore Dreamy Cloud the same color as Vista Paint Tentative Dawn?

Yes, by measurement - Benjamin Moore Dreamy Cloud and Vista Paint Tentative Dawn are only delta-E 0.9 apart, which is below what the human eye can reliably tell apart.

What is the delta-E between Benjamin Moore Dreamy Cloud and Vista Paint Tentative Dawn?

The measured color distance between Benjamin Moore Dreamy Cloud and Vista Paint Tentative Dawn is delta-E 0.9.

Which is lighter, Benjamin Moore Dreamy Cloud or Vista Paint Tentative Dawn?

Benjamin Moore Dreamy Cloud is lighter than Vista Paint Tentative Dawn by 2.4 points of light reflectance (LRV).

CLOSEST PAIRΔE 0.9 Dreamy Cloud and Tentative Dawn
LIGHTESTDreamy Cloud LRV 76.4
DARKESTTentative Dawn LRV 74.0
SPREAD2.4LRV points

Side by side

measured values
Dreamy Cloud Tentative Dawn
Brand Benjamin Moore Vista Paint
Code 2117-70 7204
Hex #E5E3E7 #E4E4E9
Light reflectance 76.4 74.0
Undertone cool violet-gray cool violet-gray
Chroma 2.2 2.6
Hue angle 308.9° 290.4°
Color family gray gray

Each on its own

full detail