Tailwind CSS / Dark Mode and Theme Customization

Building Multi-Theme Applications with Tailwind

This tutorial will guide you through the process of building a multi-theme application using Tailwind CSS. You'll learn how to offer a variety of themes that users can switch betw…

Tutorial 5 of 5 5 resources in this section

Section overview

5 resources

Explains how to implement dark mode and customize themes in Tailwind CSS.

1. Introduction

Goal

The goal of this tutorial is to guide you through the process of building a multi-theme application using Tailwind CSS. We will be creating an app that allows users to switch between a light and dark theme.

Learning Outcomes

By the end of this tutorial, you will be able to:
- Understand how to use Tailwind CSS to style your application.
- Implement a theme-switching feature in your application.
- Understand how to create multiple themes using Tailwind CSS.

Prerequisites

This tutorial assumes that you have a basic understanding of HTML, CSS, and JavaScript. Knowledge of Tailwind CSS is beneficial but not a requirement as we will go through it briefly.

2. Step-by-Step Guide

Introduction to Tailwind CSS

Tailwind CSS is a utility-first CSS framework. It provides low-level utility classes that let you build completely custom designs without ever leaving your HTML.

Installing Tailwind CSS

First, we need to install Tailwind via npm.

npm install tailwindcss

Setting Up Themes

For our app, we will create two themes: a default (light) theme and a dark theme. We will use Tailwind's configuration file (tailwind.config.js) to define these themes.

module.exports = {
  theme: {
    extend: {
      colors: {
        'theme-light': {
          'primary': '#black',
          'secondary': '#white',
          'accent': '#blue'
        },
        'theme-dark': {
          'primary': '#white',
          'secondary': '#black',
          'accent': '#red'
        }
      }
    }
  },
  variants: {},
  plugins: [],
}

Here, we have defined two themes each with its own primary, secondary, and accent colors.

3. Code Examples

Implementing Theme Switch

We will create a simple button that will allow the user to switch between the light and dark themes.

<button id="theme-switch">Switch Theme</button>

In our JavaScript, we will listen for a click event on this button and then toggle the theme.

document.getElementById('theme-switch').addEventListener('click', () => {
  document.documentElement.classList.toggle('theme-dark');
});

This code will add or remove the theme-dark class to the <html> element whenever the button is clicked.

Using the Themes

To use the themes, we simply use the defined color utilities in our HTML.

<div class="bg-theme-light-primary text-theme-light-secondary">
  <!-- Content -->
</div>

When the theme-dark class is present on the <html> element, the colors will switch to those defined in the theme-dark theme.

4. Summary

In this tutorial, we learned how to create a multi-theme application using Tailwind CSS. We covered how to define multiple themes and how to switch between them using JavaScript. This is a basic example, and you can extend it to include more themes and more complex styling.

To continue learning about Tailwind CSS, you can:

5. Practice Exercises

  1. Extend the existing application and add a third theme. Experiment with different colors and styles for this new theme.

  2. Create a dropdown menu instead of a button for theme switching. The dropdown menu should list all available themes.

Solutions

  1. Add the new theme to the tailwind.config.js file.
'theme-new': {
  'primary': '#color1',
  'secondary': '#color2',
  'accent': '#color3'
}
  1. Replace the button in the HTML with a dropdown.
<select id="theme-switch">
  <option value="theme-light">Light</option>
  <option value="theme-dark">Dark</option>
  <option value="theme-new">New</option>
</select>

Update the JavaScript to switch the theme based on the selected option.

document.getElementById('theme-switch').addEventListener('change', (event) => {
  document.documentElement.className = event.target.value;
});

Keep practicing and building on these exercises to gain more confidence and proficiency with Tailwind CSS. Happy coding!

Need Help Implementing This?

We build custom systems, plugins, and scalable infrastructure.

Discuss Your Project

Related topics

Keep learning with adjacent tracks.

View category

HTML

Learn the fundamental building blocks of the web using HTML.

Explore

CSS

Master CSS to style and format web pages effectively.

Explore

JavaScript

Learn JavaScript to add interactivity and dynamic behavior to web pages.

Explore

Python

Explore Python for web development, data analysis, and automation.

Explore

SQL

Learn SQL to manage and query relational databases.

Explore

PHP

Master PHP to build dynamic and secure web applications.

Explore

Popular tools

Helpful utilities for quick tasks.

Browse tools

MD5/SHA Hash Generator

Generate MD5, SHA-1, SHA-256, or SHA-512 hashes.

Use tool

Lorem Ipsum Generator

Generate placeholder text for web design and mockups.

Use tool

Age Calculator

Calculate age from date of birth.

Use tool

Image Converter

Convert between different image formats.

Use tool

Watermark Generator

Add watermarks to images easily.

Use tool

Latest articles

Fresh insights from the CodiWiki team.

Visit blog

AI in Drug Discovery: Accelerating Medical Breakthroughs

In the rapidly evolving landscape of healthcare and pharmaceuticals, Artificial Intelligence (AI) in drug dis…

Read article

AI in Retail: Personalized Shopping and Inventory Management

In the rapidly evolving retail landscape, the integration of Artificial Intelligence (AI) is revolutionizing …

Read article

AI in Public Safety: Predictive Policing and Crime Prevention

In the realm of public safety, the integration of Artificial Intelligence (AI) stands as a beacon of innovati…

Read article

AI in Mental Health: Assisting with Therapy and Diagnostics

In the realm of mental health, the integration of Artificial Intelligence (AI) stands as a beacon of hope and…

Read article

AI in Legal Compliance: Ensuring Regulatory Adherence

In an era where technology continually reshapes the boundaries of industries, Artificial Intelligence (AI) in…

Read article

Need help implementing this?

Get senior engineering support to ship it cleanly and on time.

Get Implementation Help