Code PPU8-16 (Coliseum Marble) reflects 58% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Coliseum Marble (PPU8-16) registers J'=83.0, a'=-0.87, and b'=6.81 with HSL (45°, 20%, 76%) and Helmholtz-Kohlrausch perceived value 81.3 L*_HK. Because PPU8-16 carries a*=-1 red-green and b*=9.75 yellow-blue balance at chroma C*=9.8, Coliseum Marble projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Behr PPU8-16 predictably. Under 5000K noon daylight, Coliseum Marble (PPU8-16) holds its native #D5C7AE swatch; at 4000K cool office LED, PPU8-16 adapts to #DBC5A6; at 3500K halogen, Coliseum Marble transitions to #E0C4A1; at 3000K residential LED, PPU8-16 warms to #E6C39D; and under 2700K evening bulbs, Coliseum Marble (PPU8-16) settles at #EAC199.
When cross-matching Behr Coliseum Marble (PPU8-16, #CEC8B6), Benjamin Moore Inner Balance (1522, #CDC7B3, LRV 57.26%) scores ΔE2000=0.83 and CAM16=0.78, followed by York Gray (CW-45, ΔE=0.93). In Sherwin-Williams, Ancient Marble (SW 6162, #D1CCB9, LRV 60.41%) achieves ΔE2000=1.16 ahead of Cargo Pants (SW 7738, ΔE=1.98). Coordinate PPU8-16 with Ultra Pure White 1850 (1850) ceilings, Ambience White (PR-W8) trim, Chanoyu (M330-1) hallways, and Candlelight Ivory (PWN-31) accents.