[css-color-adjust-1] Propagate color-adjust properties from root to viewport so they affect the canvas background color etc. #6307

Author: fantasai

css-color-adjust-1/Overview.bs

@@ -598,6 +598,12 @@ Opting Out of a Forced Color Palette: the 'forced-color-adjust' property {#force
 		svg|foreignObject { forced-color-adjust: auto; }
 	</pre>
 
+	UAs must propagate the 'forced-color-adjust' value set on the root element
+	to the document viewport
+	(where it can affect e.g. the canvas background).
+	Note that 'forced-color-adjust' is <em>not</em> propagated from HTML <{body}>.
+
+
 <!--
  ██████   ███████  ██        ███████  ████████             ███    ████████        ██ ██     ██  ██████  ████████
 ██    ██ ██     ██ ██       ██     ██ ██     ██           ██ ██   ██     ██       ██ ██     ██ ██    ██    ██
@@ -687,6 +693,11 @@ Ink Economy: the 'print-color-adjust' property {#print-color-adjust}
 			when distracted in a car.
 	</dl>
 
+	UAs must propagate the 'print-color-adjust' value set on the root element
+	to the document viewport
+	(where it can affect e.g. the canvas background).
+	Note that 'print-color-adjust' is <em>not</em> propagated from HTML <{body}>.
+
 The 'color-adjust' Shorthand {#color-adjust}
 --------------------------------------------