How to create custom color pickers in Tkinter Python

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by dot icon Updated: Jul 18, 2023

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A Tkinter color picker is a graphical user interface component. It allows users to select colors. Tkinter is a standard Python library for creating GUI applications. It includes various widgets and a color picker. It can enhance the functionality of your Python programs.  


It allows users to choose a color from a palette or define a custom color using RGB, HSV, or HEX. It contains a color palette and sliders or input fields for adjusting color values. It previews areas to display the selected color.  


To use a Tkinter color picker in your Python program, you need to follow these steps:  

  • Import tkinter modules.  
  • Create a Tkinter window and any other necessary components.  
  • Define a callback function that will be triggered when the user chooses a color.  
  • Create a button or any other widget to trigger the color picker.  
  • Start the Tkinter event loop to handle user interactions.  


The color callback function will be called when the user clicks the "Select Color" button. The colorchooser.askcolor() method will open a color picker dialog. The user can choose a color and the askcolor() function. It returns a tuple containing the selected color in RGB and hexadecimal representation. You can use the selected color in your Python program. It helps update the UI elements with the chosen color or perform desired operations.  


In Tkinter, the color picker dialog is provided by the colorchooser module. It supports various color models, including RGB, HSV, and HEX. But CMYK is not supported by Tkinter's built-in color picker.  


Some color picker properties are Initial Color, Alpha Channel, and Saturation. These are a few properties associated with a color picker in Tkinter. You may find extra properties depending on the implementation or third-party libraries. It customizes the color picker's behavior, appearance, or available color models.  


When working with a color picker, there are various ways to pick colors from a list. In some color picker implementations, colors are stored in a predefined list or array. Each color is associated with an index. Users can select a color by specifying its index in the list. Another common way to pick colors is by specifying their name. Colors are assigned recognizable names such as 'red', 'green', 'blue', and 'yellow'. Users can select a color by its name from a predefined list of named colors.  


Colors can also be picked by specifying their color code, such as RGB or HEX values. RGB values represent the intensity of red, green, and blue components. It is while HEX values are hexadecimal representations of colors. Users can input or select color codes to pick a specific color. The advantages of color pickers are custom color palettes and choices. It simplifies color code management and efficient color code management, and more.  


The use of color pickers in Python programming is invaluable. It helps in creating custom color palettes and simplifying color code management. It enables efficient color exploration, ensures consistency, and enhances user experience. You can elevate the visual appeal and aesthetics by leveraging the color pickers. You can do so, making working with colors more intuitive and enjoyable.  

Here is an example of how to create custom color pickers in Tkinter Python.

Fig1: Preview of the Code

Fig2: Preview of the Output when the code is run in IDE.


In this solution, we are creating custom color pickers in Tkinter Python


Follow the steps carefully to get the output easily.

  1. Install Jupyter Notebook on your computer.
  2. Open the terminal and install the required libraries with the following commands.
  3. Install tkinter - pip install tk
  4. Copy the snippet using the 'copy' button and paste it into that file
  5. Run the file using run button.

I hope you found this useful. I have added the link to dependent libraries, and version information in the following sections.

I found this code snippet by searching for "user select color in Tkinter Python" in kandi. You can try any such use case!

Dependent Libraries

Tkinter-Designerby ParthJadhav

Python doticonstar image 5885 doticonVersion:v1.0.7doticon
License: Permissive (BSD-3-Clause)

An easy and fast way to create a Python GUI 🐍


            Tkinter-Designerby ParthJadhav

            Python doticon star image 5885 doticonVersion:v1.0.7doticon License: Permissive (BSD-3-Clause)

            An easy and fast way to create a Python GUI 🐍

                      You can also search for any dependent libraries on kandi like "tkinter"

                      Environment Tested

                      I tested this solution in the following versions. Be mindful of changes when working with other versions.

                      1. The solution is created in Python3.9.6.
                      2. The solution is tested on Tkinter 0.1.0 version.

                      Using this solution, we are able to create custom color pickers in Tkinter Python.

                      This process also facilities an easy to use, hassle free method to create a hands-on working version of code which would help us to create custom color pickers in Tkinter Python.


                      1. For any support on kandi solution kits, please use the chat
                      2. For further learning resources, visit the Open Weaver Community learning page.


                      1. What is Python Tkinter, and how is it used to create a color picker?  

                      Python Tkinter is a standard GUI (Graphical User Interface) toolkit included with Python. It provides a set of modules and classes. It allows developers to create desktop applications with graphical interfaces.  


                      Tkinter is based on the Tk GUI toolkit. It originated from the Tcl programming language. Tkinter provides a variety of widgets and tools for creating interactive user interfaces. It includes buttons, labels, entry fields, canvas, menus, dialog boxes, and more. These components can be arranged and customized. It helps build applications with windows, buttons, input fields, and other graphical elements.  


                      To create a color picker using Tkinter, you can use the colorchooser module provided. The colorchooser module displays a color picker dialog and retrieves the selected color.  


                      2. How do you use the color picker in Python Modules?  

                      You can leverage third-party libraries that provide color picker functionality. Here's an example using the easygui library:  

                      • Install the easygui library using pip.  
                      • Use the library in your Python module. Use the buttonbox() function to display a color picker dialog.  

                      The easygui library provides a simple color picker. But its functionality may be limited compared to more advanced color pickers. If you need sophisticated capabilities, consider exploring other third-party libraries. You can also consider custom implementations that provide more extensive features.  


                      3. Can colors be displayed in RGB format or other formats?  

                      Yes, colors can be displayed in various formats, including RGB, HEX, CMYK, and HSL. These formats provide different ways to represent and work with colors. Their usage varies depending on the specific requirements of your application or project. You may encounter these formats when working with color pickers or color manipulation. These have the flexibility to convert between them as needed.  


                      4. What are some common GUI applications for using the color picker?  

                      The color picker is a versatile tool. It finds applications in various GUI applications. Here are some common examples of GUI applications where the color picker is used:  

                      • Graphic Design and Image Editing Software  
                      • Web Development and Design  
                      • Desktop Application Theming  
                      • Data Visualization Tools  
                      • CAD and 3D Modeling Software  
                      • Presentation Software  


                      5. How is the Label widget used to show a chosen color in Python?  

                      In Python Tkinter, the Label widget displays text or images. To show a chosen color using the Label widget, you can set the label's background color to the selected color. By setting the Label widget's background color, it will be displayed as the background. You can customize the dimensions, position, and other properties to fit your design.  


                      colorchooser.askcolor() returns a tuple containing: the color in RGB and hexadecimal format. In the example, we extract the hexadecimal color value using [1] from the returned tuple. When the user selects a color, the background color will update, reflecting the chosen one. 

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