Color palette for theme
"@material-ui/core"
example:
const theme = createMuiTheme({
palette: {
primary: {
main: '#ff4400',
},
secondary: {
light: '#0066ff',
main: '#0044ff',
contrastText: '#ffcc00',
},
contrastThreshold: 3,
tonalOffset: 0.2,
},
});