I need to change text in label, not background color

const theme = createMuiTheme({ overrides:{ MuiSlider: { valueLabel: { color: 'black', }, } }

• [x ] The issue is present in the latest release.
• [x ] I have searched the issues of this repository and believe that this is not a duplicate.

Current Behavior 😯

It changes only tbackground color, not text color

Expected Behavior 🤔

It should change only text color, not background color