material_custom_theme.xml

<application>
  <component name="MaterialCustomThemeConfig">
    <option name="treeSelectionColor" value="546e7a" />
    <option name="highlightColor" value="425b67" />
    <option name="secondBorderColor" value="2a373e" />
    <option name="contrastColor" value="1e272c" />
    <option name="secondaryBackgroundColor" value="32424a" />
    <option name="caretColor" value="ffcc00" />
    <option name="inactiveColor" value="2e3c43" />
    <option name="selectionForegroundColor" value="ffffff" />
    <option name="selectionBackgroundColor" value="546e7a" />
    <option name="textColor" value="607d8b" />
    <option name="foregroundColor" value="b0bec5" />
  </component>
</application>