bg-defaultbg-default · Page and content area.
bg-insetbg-inset · Sidebar and side panels. Set apart by tone, never by a border.
bg-overlaybg-overlay · Floating surfaces: menus, popovers, tooltips, the action bar.
bg-controlbg-control · Resting fill of buttons, inputs and chips.
bg-control-hoverbg-control-hover · Hover on rows, nav items and ghost buttons; expanded rows, selected tiles.
bg-control-pressedbg-control-pressed · Hover over a filled control.
bg-selectedbg-selected · Current nav item, selected tree row.
bg-accent-subtlebg-accent-subtle · Rows selected with a checkbox.
fg-defaultbg-inverse · Inverted fills: pressed chips, inverse avatars, the range marker, the dark switch track.
bg-scrimbg-scrim · Backdrop behind dialogs, drawers and the mobile sidebar.