Code 687 (Annapolis Green) reflects 61.81% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Annapolis Green (687) registers J'=84.9, a'=-8.53, and b'=-0.66 with HSL (166°, 16%, 79%) and Helmholtz-Kohlrausch perceived value 83.5 L*_HK. Because 687 carries a*=-6.48 red-green and b*=0.01 yellow-blue balance at chroma C*=6.48, Annapolis Green projects a cool organic sage green-grey character across drywall and millwork.
Thermal lighting shifts Benjamin Moore 687 predictably. Under 5000K noon daylight, Annapolis Green (687) holds its native #C9D1C5 swatch; at 4000K cool office LED, 687 adapts to #D0CFBD; at 3500K halogen, Annapolis Green transitions to #D5CEB7; at 3000K residential LED, 687 warms to #DBCDB2; and under 2700K evening bulbs, Annapolis Green (687) settles at #E0CBAF.
When cross-matching Benjamin Moore Annapolis Green (687, #C1D2CE), Behr Celtic Gray (490E-3, #C5D4CE, LRV 63%) scores ΔE2000=1.24 and CAM16=1.54, followed by Nature's Reflection (N430-2, ΔE=1.58). In Sherwin-Williams, Tidewater (SW 6477, #C3D7D3, LRV 64.81%) achieves ΔE2000=1.47 ahead of Waterscape (SW 6470, ΔE=2.46). Coordinate 687 with White Opulence (879) ceilings, Misty Gray (2124-60) trim, Blue Bonnet (2050-70) hallways, and Snow White (2122-70) accents.