all pills vary.IE You could eat a blue VW sunday and have a clean MDMA roll.On tuesday you could get a blue VW and have a dirty roll.You never know what they are putting in the pill presses.You nver know if maybe they ran low on MDMA and threw in something else for the remianing pills.Get a tester.I never have,but it would be m,y advice.Colors dont mean shit,nor do logos/