[css-color-4] Fix w3c#1534

Author: svgeesus

css-color-4/Overview.bs

@@ -1808,20 +1808,25 @@ Profiled, Device-dependent Colors</h2>
 
 	<div class='example'>
 		This example specifies four profiled colors:
-		for a standard CMYK press,
+		for a standard SWOP-coated CMYK press,
 		for a wide-gamut seven-ink printer,
 		for ProPhoto RGB,
-		and for the P3 standard RGB space.
+		and for the image-p3 standard RGB space.
+		In each case, the numerical parameters
+		are in the range 0.0 to 1.0
+		(rather than, for example, 0 to 255).
 		<!-- add examples with alpha, and with fallback -->
 		<pre>
-			color: color(swopc 0 206 190 77);
-			color: color(indigo 24 160 86 42 0 18 31);
-			color: color(prophoto 233 150 122);
-			color: color(p3 97 253 36);
+			color: color(swopc 0.0134 0.8078 0.7451 0.3019);
+			color: color(indigo 0.0941 0.6274 0.3372 0.1647 0 0.0706 0.1216);
+			color: color(prophoto 0.9137 0.5882 0.4784);
+			color: color(image-p3 0.3804 0.9921 0.1412);
 		</pre>
 
-		All but the predefined colorspace example also need a matching ''@color-profile'' at-rule somewhere
-		in the stylesheet, to connect the name with the profile data.
+		All but the predefined colorspace example
+		also need a matching ''@color-profile'' at-rule
+		somewhere in the stylesheet,
+		to connect the name with the profile data.
 
 		<pre>
 			@color-profile swopc {