Code 582 (Cool Mint) reflects 81.61% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Cool Mint (582) registers J'=93.3, a'=-11.07, and b'=2.40 with HSL (147°, 43%, 89%) and Helmholtz-Kohlrausch perceived value 93.5 L*_HK. Because 582 carries a*=-10.28 red-green and b*=3.61 yellow-blue balance at chroma C*=10.9, Cool Mint projects a cool organic sage green-grey character across drywall and millwork.
Thermal lighting shifts Benjamin Moore 582 predictably. Under 5000K noon daylight, Cool Mint (582) holds its native #E0EDD9 swatch; at 4000K cool office LED, 582 adapts to #E8ECCF; at 3500K halogen, Cool Mint transitions to #EEEBC9; at 3000K residential LED, 582 warms to #F5E9C3; and under 2700K evening bulbs, Cool Mint (582) settles at #FAE7C0.
When cross-matching Benjamin Moore Cool Mint (582, #D7EFE2), Behr Pondscape (P410-1, #D7EFDE, LRV 81%) scores ΔE2000=1.51 and CAM16=1.52, followed by Green Aqua (M420-2, ΔE=1.52). In Sherwin-Williams, Embellished Blue (SW 6749, #D7EBE2, LRV 79.29%) achieves ΔE2000=2.2 ahead of Mint Condition (SW 6743, ΔE=3.45). Coordinate 582 with Chantilly Lace (OC-65) ceilings, White (OC-151) trim, Turquoise Mist (695) hallways, and Catalina Blue (703) accents.