import { createTheme, ThemeProvider, useTheme } from '@mui/material/styles'; import PropTypes from 'prop-types'; import Button from '@mui/material/Button'; import { Stack } from '@mui/system'; const defaultContrastThresholdTheme = createTheme({}); const highContrastThresholdTheme = createTheme({ palette: { contrastThreshold: 4.5, }, }); function ContrastShowcase(props) { const { title } = props; const theme = useTheme(); return ( {title} {theme.palette.contrastThreshold}:1 ); } ContrastShowcase.propTypes = { title: PropTypes.string.isRequired, }; export default function ContrastThreshold() { return ( ); }