Blanket

When to use

• Behind a layer that takes over, such as a modal or a drawer, where both of those already include one.
• On its own only when you are building a layer that the system does not already provide.

When not to use

• To draw attention to something. A blanket blocks the page, which is a much stronger thing to do than emphasis.
• Behind something small such as a popup or a tooltip, which should not stop the reader using the page.
• As a loading state over a whole screen. A skeleton keeps the layout and says more.

Intensity

What each of this component's grounds spends, measured against the ladder in both themes.

Substrate, Ambient and Marked are measured. Directed depends on what else is in the region, and Demanded is declared and rationed, so neither is a property this component carries by itself. See intensity.