The QR (Quick Response) Code became popular nowadays between us such as on flyers, posters, magazines, and so on. The QR Code can be printed in a smaller space that can store more information, more character types, also allowing users to interact with the world using their smartphone. Due to this pandemic era, users have to scan the QR Code once to enter some places to allows the owner to keep track of each customer that enters their premises. Therefore, the main objective of this article is to enhanced data storage of colored QR Code using the C3M technique to ensure that every data can be store safely on the server. This article will briefly explain how to use compression, multiplexing, multilayer, and multicolor techniques. The multicolor technique will use a combination of eight colored QR Code, which is known as Black, White, Red, Green, Blue, Cyan, Magenta, and Yellow (BWRGBCMY) and as a result, the storage capacity will be increased three times more than the original QR Code