Signature using colour detection and a GUI using tkinter This project involves an application form made using tkinter, consisting of 3 windows. The first window accepts the details of the user. The second window takes the photograph and the signature of the user with the help of openCV, PIL, numpy and collections module. The third window shows the information entered by the user. All the details entered are stored in MariaDB database using pymysql. Python is used as the base programming language.