This paper introduces META’s colour shifting LumaChrome product that has been used to authenticate banknotes for over 20 years. LumaChrome colour shifting film changes from one distinct colour to another distinct colour when tilting the film yielding an intuitive and easy to use solution which is extremely difficult to replicate. Availability in multiple formats from a security patch for government ID cards to full thread insertion into banknotes, LumaChrome is a highly versatile and powerful tool for securing documents and products.