Persil Color Laundry Detergent Megaperls 20 Loads. Persil Megaperls Color is a high-efficiency concentrated laundry detergent specially formulated to protect dark and bright colors. It ensures the best cleaning performance while being gentle on your clothes and the environment. Persil Megaperls Color will keep colors bright and clothes looking new longer. Use about 1/4 cup per load. Pictures and Images are for illustration purposes only. 30 total Loads.