IconAvatars.tsx

import React from 'react';
import { makeStyles, createStyles, Theme } from '@material-ui/core/styles';
import { green, pink } from '@material-ui/core/colors';
import Avatar from '@material-ui/core/Avatar';
import FolderIcon from '@material-ui/icons/Folder';
import PageviewIcon from '@material-ui/icons/Pageview';
import AssignmentIcon from '@material-ui/icons/Assignment';

const useStyles = makeStyles((theme: Theme) =>
  createStyles({
    root: {
      display: 'flex',
      '& > *': {
        margin: theme.spacing(1),
      },
    },
    pink: {
      color: theme.palette.getContrastText(pink[500]),
      backgroundColor: pink[500],
    },
    green: {
      color: '#fff',
      backgroundColor: green[500],
    },
  }),
);

export default function IconAvatars() {
  const classes = useStyles();

  return (
    <div className={classes.root}>
      <Avatar>
        <FolderIcon />
      </Avatar>
      <Avatar className={classes.pink}>
        <PageviewIcon />
      </Avatar>
      <Avatar className={classes.green}>
        <AssignmentIcon />
      </Avatar>
    </div>
  );
}