JAVASCRIPT

set a color for paper material ui

  <Paper sx = {{backgroundColor : 'red'}} >   // if u want to set it in hexa just write smtg like this : #f5f5f5

material ui color background

// import Box from Material-UI
import Box from '@material-ui/core/Box';

// Use bgcolor to set background color in box
<Box bgcolor="primary.main" />
<Box bgcolor="secondary.main" />
<Box bgcolor="error.main" />
<Box bgcolor="warning.main" />
<Box bgcolor="info.main" />
<Box bgcolor="success.main" />
<Box bgcolor="text.primary" />
<Box bgcolor="text.secondary" />
<Box bgcolor="text.disabled" />