Design Tokens for Dark Mode

Introduction

Design tokens are a vital part of modern design systems, providing a way to store design decisions in a structured format. This lesson focuses on how design tokens can be effectively utilized to implement a dark mode theme in applications.

What are Design Tokens?

Design tokens are a set of variables that represent visual design attributes such as colors, typography, spacing, and more. They serve as a bridge between design and development, ensuring consistency across platforms.

Importance of Dark Mode

Dark mode not only enhances the user experience but also reduces eye strain in low-light environments. Furthermore, it can improve battery life on OLED screens.

Implementing Dark Mode with Design Tokens

Step-by-Step Process

1. Define Tokens: Create a set of color tokens for both light and dark themes.
2. Structure Tokens: Organize tokens into categories like colors, typography, and spacing.
3. Apply Tokens in CSS: Utilize the defined tokens within your stylesheets.
4. Implement a Toggle: Create a mechanism for users to switch between themes.

Example Code Snippet

                // Define design tokens for dark mode
                const colorTokens = {
                    background: '#121212',
                    text: '#ffffff',
                    primary: '#bb86fc',
                    secondary: '#03dac6',
                };
                
                // Applying tokens in CSS
                body {
                    background-color: var(--background);
                    color: var(--text);
                }
            

Best Practices

• Use a consistent naming convention for tokens.
• Test your dark mode in various lighting conditions.
• Ensure sufficient contrast ratios for accessibility.
• Keep your design tokens organized and documented.

FAQ