“Greenery” is Pantone Inc.’s 2017 color of the year, and its former CEO is hoping to see a lot of it at 778 Park Avenue. Lawrence Herbert — the printing executive credited with creating a universal color system — listed his 17-room co-op at the building for $39.5 million. The full-floor apartment has 12-foot ceilings, six bedrooms and five baths, according to the listing. Maintenance is nearly $26,000 a month. Brown Harris Stevens’ John Burger […]