Code 2127-70 (Cascade White) reflects 75.27% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Cascade White (2127-70) registers J'=91.0, a'=-3.44, and b'=-1.99 with HSL (190°, 10%, 88%) and Helmholtz-Kohlrausch perceived value 89.7 L*_HK. Because 2127-70 carries a*=-1.49 red-green and b*=-1.07 yellow-blue balance at chroma C*=1.83, Cascade White projects a cool cool coastal blue-grey character across drywall and millwork.
Thermal lighting shifts Benjamin Moore 2127-70 predictably. Under 5000K noon daylight, Cascade White (2127-70) holds its native #E5E1DA swatch; at 4000K cool office LED, 2127-70 adapts to #ECDFD0; at 3500K halogen, Cascade White transitions to #F2DECA; at 3000K residential LED, 2127-70 warms to #F8DCC5; and under 2700K evening bulbs, Cascade White (2127-70) settles at #FDDBC1.
When cross-matching Benjamin Moore Cascade White (2127-70, #DDE2E3), Behr Etched Glass (MQ3-27, #DDE2E2, LRV 75%) scores ΔE2000=0.54 and CAM16=0.63, followed by Serene (ICC-36, ΔE=0.92). In Sherwin-Williams, Icicle (SW 6238, #DBDFE0, LRV 73.18%) achieves ΔE2000=0.78 ahead of Rarified Air (SW 6525, ΔE=1.02). Coordinate 2127-70 with Snow White (2122-70) ceilings, Chalk White (2126-70) trim, Eternity (AF-695) hallways, and Marina Gray (1599) accents.