Free Color Guide Mixing chart for Chocolate Chameleon Candy Colors by Artisan Accents and Sweet Color Lab. Chocolate Chameleon Colors by Artisan Accents & Sweet Color Lab, are perfect for coloring chocolate, buttercream, and other fat/oil based products including Cake Drip! This highlly concentrated oil-based formula is fade-resistent and will not change the flavor or texture of your Desserts!