Code SW 7001 (Marshmallow) reflects 81.96% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams Marshmallow (SW 7001) registers J'=93.7, a'=-0.19, and b'=3.56 with HSL (39°, 29%, 91%) and Helmholtz-Kohlrausch perceived value 92.8 L*_HK. Because SW 7001 carries a*=0.14 red-green and b*=4.96 yellow-blue balance at chroma C*=4.96, Marshmallow projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 7001 predictably. Under 5000K noon daylight, Marshmallow (SW 7001) holds its native #F6E7D7 swatch; at 4000K cool office LED, SW 7001 adapts to #FDE6CD; at 3500K halogen, Marshmallow transitions to #FFE5C7; at 3000K residential LED, SW 7001 warms to #FFE3C2; and under 2700K evening bulbs, Marshmallow (SW 7001) settles at #FFE1BE.
When cross-matching Sherwin-Williams Marshmallow (SW 7001, #EEE9E0), Behr Villa White (PWN-51, #EFEAE1, LRV 83%) scores ΔE2000=0.21 and CAM16=0.3, followed by Pillar White (UL150-9, ΔE=0.55). In Benjamin Moore, Sand Dollar (877, #F0EBE4, LRV 83.65%) achieves ΔE2000=1.06 ahead of Sand Dollar (OC-71, ΔE=1.06). Coordinate SW 7001 with High Reflective White (SW 7757) ceilings, Alabaster (SW 7008) trim, Agreeable Gray (SW 7029) hallways, and Mindful Gray (SW 7016) accents.