Melt candy and tint 1 pk. gray (using black candy color) and other portions green (combine yellow and green candy color), light green, yellow, orange, purple and black. Reserve a portion white. Use Tombstone Mold to mold 12 grass bases and 12 tombstones. Refrigerate until firm; unmold. Mold 13 pretzel candies using painting or piping method. Refrigerate until firm; unmold.