Material-ui: the `fade` color utility was renamed to `alpha` to better describe its functionality.

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In Material-UI, the fade color utility was renamed to alpha to better describe its functionality.

The alpha utility allows you to adjust the alpha transparency of a color. It takes two parameters: the color you want to modify, and the alpha value between 0 and 1. This is useful when you want to create semi-transparent colors.

Here’s an example to showcase how to use the alpha utility in Material-UI: 

    import React from 'react';
    import { makeStyles } from '@material-ui/core/styles';
    import Button from '@material-ui/core/Button';
    import { alpha } from '@material-ui/core/styles/colorManipulator';

    const useStyles = makeStyles((theme) => ({
      button: {
        backgroundColor: alpha(theme.palette.primary.main, 0.5),
      },
    }));

    function MyComponent() {
      const classes = useStyles();

      return (
        
      );
    }

    export default MyComponent;

In the example above, we import the alpha function from @material-ui/core/styles/colorManipulator and use it in the backgroundColor property of a Material-UI Button. The alpha function is applied to theme.palette.primary.main as the color value, and 0.5 as the alpha value. This creates a semi-transparent color for the button background.

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