Code OC-117 (Simply White) reflects 91.71% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Simply White (OC-117) registers J'=97.2, a'=-2.07, and b'=3.28 with HSL (60°, 33%, 95%) and Helmholtz-Kohlrausch perceived value 97 L*_HK. Because OC-117 carries a*=-1.56 red-green and b*=4.32 yellow-blue balance at chroma C*=4.59, Simply White projects a warm soft green-beige character across drywall and millwork.
Thermal lighting shifts Benjamin Moore OC-117 predictably. Under 5000K noon daylight, Simply White (OC-117) holds its native #FFF4E3 swatch; at 4000K cool office LED, OC-117 adapts to #FFF3D9; at 3500K halogen, Simply White transitions to #FFF1D3; at 3000K residential LED, OC-117 warms to #FFEFCD; and under 2700K evening bulbs, Simply White (OC-117) settles at #FFEEC9.
When cross-matching Benjamin Moore Simply White (OC-117, #F6F6ED), Behr Whisper White (HDC-MD-08, #F4F3EA, LRV 89%) scores ΔE2000=0.75 and CAM16=0.9, followed by Polar Bear (75, ΔE=0.82). In Sherwin-Williams, High Reflective White (SW 7757, #F7F7F1, LRV 92.71%) achieves ΔE2000=1.4 ahead of Extra White (SW 7006, ΔE=2.3). Coordinate OC-117 with Snow White (OC-66) ceilings, Misty Gray (2124-60) trim, Titanium (2141-60) hallways, and Silver Song (1557) accents.