Code HC-168 (Chelsea Gray) reflects 23.07% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Chelsea Gray (HC-168) registers J'=58.0, a'=-0.94, and b'=3.63 with HSL (48°, 4%, 51%) and Helmholtz-Kohlrausch perceived value 55.4 L*_HK. Because HC-168 carries a*=-0.77 red-green and b*=4.58 yellow-blue balance at chroma C*=4.64, Chelsea Gray projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Benjamin Moore HC-168 predictably. Under 5000K noon daylight, Chelsea Gray (HC-168) holds its native #8B8377 swatch; at 4000K cool office LED, HC-168 adapts to #8F8271; at 3500K halogen, Chelsea Gray transitions to #92816D; at 3000K residential LED, HC-168 warms to #96806A; and under 2700K evening bulbs, Chelsea Gray (HC-168) settles at #997F68.
When cross-matching Benjamin Moore Chelsea Gray (HC-168, #86847C), Behr Barnwood Gray (PPU24-07, #87857E, LRV 23%) scores ΔE2000=0.64 and CAM16=0.62, followed by Pier (PPU8-22, ΔE=0.71). In Sherwin-Williams, Classic French Gray (SW 77, #888782, LRV 24.2%) achieves ΔE2000=1.88 ahead of Mountain Road (SW 7743, ΔE=2.57). Coordinate HC-168 with Chantilly Lace (OC-65) ceilings, White (OC-151) trim, Baltic Gray (1467) hallways, and Seapearl (OC-19) accents.