Code 2117-70 (Dreamy Cloud) reflects 77.35% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Dreamy Cloud (2117-70) registers J'=92.0, a'=0.79, and b'=-2.76 with HSL (270°, 8%, 90%) and Helmholtz-Kohlrausch perceived value 90.7 L*_HK. Because 2117-70 carries a*=1.39 red-green and b*=-1.71 yellow-blue balance at chroma C*=2.2, Dreamy Cloud projects a cool cool violet-grey character across drywall and millwork.
Thermal lighting shifts Benjamin Moore 2117-70 predictably. Under 5000K noon daylight, Dreamy Cloud (2117-70) holds its native #EDE1DE swatch; at 4000K cool office LED, 2117-70 adapts to #F4E0D4; at 3500K halogen, Dreamy Cloud transitions to #FADFCE; at 3000K residential LED, 2117-70 warms to #FFDDC8; and under 2700K evening bulbs, Dreamy Cloud (2117-70) settles at #FFDCC4.
When cross-matching Benjamin Moore Dreamy Cloud (2117-70, #E5E3E7), Behr Lilac Mist (PPU16-6, #E4E3E8, LRV 77.22%) scores ΔE2000=0.61 and CAM16=0.81, followed by Dutch White (MQ3-31, ΔE=2.06). In Sherwin-Williams, Lite Lavender (SW 6554, #E0DADF, LRV 71.32%) achieves ΔE2000=2.71 ahead of Elation (SW 6827, ΔE=2.91). Coordinate 2117-70 with Snow White (2122-70) ceilings, Misty Gray (2124-60) trim, Silver Half Dollar (2121-40) hallways, and Silent Night (1613) accents.