BASF Green Lawnger® 59013430 2.5 gal Turf Colorant. Green Lawnger turf paint with ColorLock™ technology is a long-lasting green pigment that provides green color for up to 10-14 weeks. It restores the natural green color to turf during dormant periods, providing an excellent playing surface during the colder months. Green Lawnger turf paint is also used for touch-up to turf areas damaged by chemicals, fungal attacks, hydraulic oil and pests.