How to change hover color for Ant Design v5 Button with Tokens in React?

FITFLOP

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21-10-2024

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When working with Ant Design in a React project, customizing the default styles of components like buttons can sometimes be a bit tricky. One common requirement is to change the hover color of a button using design tokens. In this article, we'll explore how to achieve this using Ant Design v5.

Problem Scenario

The initial task might look something like this: "How to change the hover color of an Ant Design v5 Button component in a React application using tokens?"

Original Code Example

Here’s a basic example of how you might typically create a button in Ant Design without any customization:

import React from 'react';
import { Button } from 'antd';

const App = () => {
    return (
        <div>
            <Button type="primary">Click Me</Button>
        </div>
    );
};

export default App;

Customizing the Hover Color

To modify the hover color of the Ant Design Button, we can use design tokens provided by Ant Design. These tokens help us maintain a consistent design across our application and ensure that our buttons match our desired aesthetic.

Step-by-Step Guide

1. Install Required Packages: Ensure you have the necessary dependencies installed in your React application. If you haven’t already, you can install Ant Design:

   npm install antd
   

2. Create a Theme Configuration: You can customize Ant Design's default theme using ConfigProvider. Here’s how to specify the hover color:

import React from 'react';
import { Button, ConfigProvider } from 'antd';

const App = () => {
    return (
        <ConfigProvider
            theme={{
                token: {
                    colorPrimary: '#1DA57A', // Main color
                    colorPrimaryHover: '#3FBF8E' // Hover color
                },
            }}
        >
            <div>
                <Button type="primary">Click Me</Button>
            </div>
        </ConfigProvider>
    );
};

export default App;

Explanation

• The ConfigProvider allows you to define theme variables that can customize various aspects of Ant Design components globally.
• In the theme object, you can specify token values such as colorPrimary for the default button color and colorPrimaryHover for the hover effect.
• By updating these values, every primary button in your application will inherit the new styles.

Additional Considerations

• Responsive Design: Ensure that your hover colors are accessible and maintain contrast for users with visual impairments. Use tools like WebAIM's Contrast Checker to test your color combinations.
• Custom Styling: If you want more complex hover effects, consider using CSS-in-JS libraries like Styled Components or Emotion to add conditional styles based on user interaction.
• Ant Design Documentation: For more detailed information on theming and tokens, refer to the Ant Design documentation.

Conclusion

Customizing the hover color of buttons in Ant Design v5 using tokens is a straightforward process that allows for a cohesive design throughout your application. By following the steps outlined above, you can easily adjust your button styles to align with your brand identity.

Useful Resources

• Ant Design - Customization
• React Documentation
• WebAIM Contrast Checker

By using design tokens, you can not only change hover colors but also keep your application consistent with a well-defined design system. Embrace these customizations to enhance the user experience in your React applications!