Material ui time picker header text color

问题

I am integrating material ui time picker

I need to change the color of time

You can see in the image. I need to change the color of 11:30 pm

I searched a lot but couldn't able do it.

Please help!!!

EDIT:

I tried this

const theme = createMuiTheme({
  palette: {
    primary: {
      main: '#efbb40'
    }
  },
  typography: {
    useNextVariants: true,
    suppressDeprecationWarnings: true
  }
})

来源：https://stackoverflow.com/questions/53391633/material-ui-time-picker-header-text-color