Code 852 (Appalachian Green) reflects 82.7% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Appalachian Green (852) registers J'=93.8, a'=-5.25, and b'=6.54 with HSL (78°, 36%, 89%) and Helmholtz-Kohlrausch perceived value 93.7 L*_HK. Because 852 carries a*=-5.47 red-green and b*=9 yellow-blue balance at chroma C*=10.53, Appalachian Green projects a warm soft green-beige character across drywall and millwork.
Thermal lighting shifts Benjamin Moore 852 predictably. Under 5000K noon daylight, Appalachian Green (852) holds its native #EFEBD0 swatch; at 4000K cool office LED, 852 adapts to #F7EAC7; at 3500K halogen, Appalachian Green transitions to #FDE9C0; at 3000K residential LED, 852 warms to #FFE7BB; and under 2700K evening bulbs, Appalachian Green (852) settles at #FFE5B7.
When cross-matching Benjamin Moore Appalachian Green (852, #E7EDD9), Behr Magic Mint (P380-1, #EBF2DF, LRV 87%) scores ΔE2000=1.16 and CAM16=1.53, followed by Moth's Wing (P370-1, ΔE=1.36). In Sherwin-Williams, Spinach White (SW 6434, #E4E8DA, LRV 79.36%) achieves ΔE2000=2.65 ahead of Gratifying Green (SW 6435, ΔE=2.69). Coordinate 852 with Super White (PM-1) ceilings, White (OC-151) trim, Tea Light (471) hallways, and Aganthus Green (472) accents.