[css-color-4] Consolidated the resolution of system colors and deprecated system colors #13450

Author: svgeesus

css-color-4/Overview.bs

@@ -6535,16 +6535,13 @@ Resolving sRGB values</h3>
 	* ''hsl()'' and ''hsla()'' values
 	* ''hwb()'' values
 	* [=named colors=]
-	* [=system colors=]
-	* <a href="#deprecated-system-colors">deprecated-colors</a>
 
 	It does <em>not</em> apply to:
 
 	* ''color()'' values using the ''srgb'' or ''srgb-linear'' [=color space=]s.
 
 	If the sRGB color was explicitly specified by the author as a [=named color=],
-	or as a [=system color=],
-	the [=declared value=] is that named or system color, converted to
+	the [=declared value=] is that named color, converted to
 	<a href="https://infra.spec.whatwg.org/#ascii-lowercase">ASCII lowercase</a>.
 	The computed and used value
 	is the corresponding sRGB color,
@@ -6729,19 +6726,29 @@ Resolving values of the ''color()'' function</h3>
 
 <h3 id="resolving-other-colors">Resolving other colors</h3>
 
-	This applies to [=system colors=]
-	(including the <<deprecated-color>>s),
-	''transparent'',
-	and ''color>/currentcolor''.
+	This applies to
+	
+	* [=system colors=],
+	* <a href="#deprecated-system-colors">deprecated system colors</a>
+	* ''transparent''
+	* ''color>/currentcolor''.
+
+	If the color was explicitly specified by the author 
+	as a [=system colors=]
+	or deprecated system color,
+	the [=declared value=] is itself, converted to
+	<a href="https://infra.spec.whatwg.org/#ascii-lowercase">ASCII lowercase</a>.
 
-	The declared value for each <<system-color>> keyword
-	and <<deprecated-color>> keyword
-	is itself.
-	The computed value
+	The computed and used value
 	is the corresponding color in its color space.
+	paired with the specified alpha component
+	(after clamping to [0, 1])
+	and defaulting to opaque if unspecified).
+
 	However, such colors must not be altered by
 	[=forced colors mode=].
 
+
 	<div class="example" id="ex-system-resolve">
 		For example, in this html:
 
@@ -8240,6 +8247,9 @@ Changes</h2>
 	<a href="https://www.w3.org/TR/2025/CRD-css-color-4-20250424/">Candidate Recommendation Draft of 24 April 2025</a></h3>
 
 <ul>
+	<li>Consolidated the resolution of system colors and deprecated system colors
+		(<a href="https://github.com/w3c/csswg-drafts/issues/13450">Issue 13450</a>)
+	</li>
 	<li>Clarified carry-forward in color interpolation
 		(<a href="https://github.com/w3c/csswg-drafts/issues/14134">Issue 14134</a>)
 	</li>