PREHEAT oven to 350°F. Mix coconut, flour and margarine. Press firmly onto bottom of 9-inch springform pan. Bake 12 to 15 minutes or until very lightly browned.
MEANWHILE, soften gelatine in water in small saucepan; let stand 1 minute. Cook on low heat 5 minutes or until gelatine is completely dissolved, stirring occasionally. Set aside. Beat cream cheese and sugar in large bowl with electric mixer on medium speed until well blended. Add dissolved gelatine, lime zest, juice and food coloring; mix well. Gently stir in whipped topping; pour over crust.
REFRIGERATE 3 hours or until firm. When ready to serve, run knife or metal spatula around rim of pan to loosen cake; remove rim of pan. Store leftover cheesecake in refrigerator.