Tint candy.Melt white Candy Melts candy according to package directions. Use blue, yellow or red from primary candy color set and pink, green or violet from garden candy color set to tint 2 oz. each of melted white candy for each treat.
Fill pretzels. Place pretzels on parchment-covered cake board. Use melted tinted candy in cut decorating bag to fill center of pretzels in desired color. Chill until firm, about 10 to 15 minutes.