Code 859 (Collingwood) reflects 62.09% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Collingwood (859) registers J'=85.2, a'=-0.24, and b'=4.05 with HSL (40°, 15%, 80%) and Helmholtz-Kohlrausch perceived value 83.3 L*_HK. Because 859 carries a*=-0.02 red-green and b*=5.58 yellow-blue balance at chroma C*=5.58, Collingwood projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Benjamin Moore 859 predictably. Under 5000K noon daylight, Collingwood (859) holds its native #DACDBC swatch; at 4000K cool office LED, 859 adapts to #E1CBB3; at 3500K halogen, Collingwood transitions to #E6CAAE; at 3000K residential LED, 859 warms to #EBC8A9; and under 2700K evening bulbs, Collingwood (859) settles at #F0C7A6.
When cross-matching Benjamin Moore Collingwood (859, #D3CEC4), Behr Cotton Grey (HDC-NT-20, #D1CCC3, LRV 61%) scores ΔE2000=0.66 and CAM16=0.73, followed by Tranquil Gray (DC-007, ΔE=0.88). In Sherwin-Williams, Gossamer Veil (SW 9165, #D3CEC4, LRV 62.09%) achieves ΔE2000=0 ahead of Agreeable Gray (SW 7029, ΔE=0.85). Coordinate 859 with Ice Mist (OC-67) ceilings, Chalk White (2126-70) trim, Swiss Coffee (OC-45) hallways, and Mountain Peak White (2148-70) accents.