Esta configuracion debes realizarla en el setting.json accediendo con el comando ctrl+shift+p
###Opcion 1
"editor.bracketPairColorization.enabled": true,
"workbench.colorCustomizations": {
"editorBracketHighlight.foreground1": "#fafafa",
"editorBracketHighlight.foreground2": "#9F51B6",
"editorBracketHighlight.foreground3": "#F7C244",
"editorBracketHighlight.foreground4": "#F07850",
"editorBracketHighlight.foreground5": "#9CDD29",
"editorBracketHighlight.foreground6": "#C497D4",
"editorBracketHighlight.unexpected Bracket.foreground": "#db6165"
}
###Opcion 2
"editor.bracketPairColorization.enabled": true,
"workbench.colorCustomizations": {
"editorBracketHighlight.foreground1": "#B48EAD",
"editorBracketHighlight.foreground2": "#A3BE8C",
"editorBracketHighlight.foreground3": "#EBCB8B",
"editorBracketHighlight.foreground4": "#D08770",
"editorBracketHighlight.foreground5": "#BF616A",
"editorBracketHighlight.foreground6": "#abb2c0",
"editorBracketHighlight.unexpected Bracket.foreground": "#db6165"
}