Code OC-77 (Colonial Cream) reflects 84.5% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Colonial Cream (OC-77) registers J'=94.7, a'=1.04, and b'=6.48 with HSL (35°, 64%, 91%) and Helmholtz-Kohlrausch perceived value 94.2 L*_HK. Because OC-77 carries a*=1.25 red-green and b*=9.69 yellow-blue balance at chroma C*=9.77, Colonial Cream projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Benjamin Moore OC-77 predictably. Under 5000K noon daylight, Colonial Cream (OC-77) holds its native #FFE9D1 swatch; at 4000K cool office LED, OC-77 adapts to #FFE8C7; at 3500K halogen, Colonial Cream transitions to #FFE6C1; at 3000K residential LED, OC-77 warms to #FFE5BC; and under 2700K evening bulbs, Colonial Cream (OC-77) settles at #FFE3B8.
When cross-matching Benjamin Moore Colonial Cream (OC-77, #F7EBDA), Behr Vanilla Frost (BWC-23, #F3E8D7, LRV 82%) scores ΔE2000=0.83 and CAM16=1.03, followed by Heavy Cream (PPU5-10, ΔE=0.97). In Sherwin-Williams, Crisp Linen (SW 6378, #F3E6D4, LRV 80.66%) achieves ΔE2000=1.15 ahead of Summer White (SW 7557, ΔE=1.22). Coordinate OC-77 with Distant Gray (OC-68) ceilings, Ultra White (CC-10) trim, Cedar Key (982) hallways, and Stone Hearth (984) accents.