[css-color-4] Add reference ranges for percents, see w3c#7064

Author: svgeesus

css-color-4/Overview.bs

@@ -3407,6 +3407,20 @@ Specifying Lab and LCH: the ''lab()'' and ''lch()'' functional notations</h3>
 	<dfn>lab()</dfn> = lab( [<<percentage>> | none] [<<number>> | none] [<<number>> | none] [ / [<<alpha-value>> | none] ]? )
 	</pre>
 
+	<table>
+		<tr>
+			<th>Percentages</th>
+			<td>Allowed for L, a and b</td>
+		</tr>
+		<tr>
+			<th>Percent reference range&nbsp;</th>
+			<td>
+				for L: 0% = 0.0, 100% = 100.0<br>
+				for a and b: -100% = -125, 100% = 125
+			</td>
+		</tr>
+	</table>
+
 	<wpt>
 		lab-001.html
 		lab-002.html
@@ -3464,6 +3478,20 @@ Specifying Lab and LCH: the ''lab()'' and ''lch()'' functional notations</h3>
 	<dfn>lch()</dfn> = lch( [<<percentage>> | none] [<<number>> | none] [<<hue>> | none] [ / [<<alpha-value>> | none] ]? )
 	</pre>
 
+	<table>
+		<tr>
+			<th>Percentages</th>
+			<td>Allowed for L and C</td>
+		</tr>
+		<tr>
+			<th>Percent reference range&nbsp;</th>
+			<td>
+				for L: 0% = 0.0, 100% = 100.0<br>
+				for C: 0% = 0, 100% = 150
+			</td>
+		</tr>
+	</table>
+
 	<wpt>
 		lch-001.html
 		lch-002.html
@@ -3534,6 +3562,20 @@ Specifying Lab and LCH: the ''lab()'' and ''lch()'' functional notations</h3>
 	<dfn>oklab()</dfn> = oklab( [<<percentage>> | none] [<<number>> | none] [<<number>> | none] [ / [<<alpha-value>> | none] ]? )
 	</pre>
 
+	<table>
+		<tr>
+			<th>Percentages</th>
+			<td>Allowed for L, a and b</td>
+		</tr>
+		<tr>
+			<th>Percent reference range&nbsp;</th>
+			<td>
+				for L: 0% = 0.0, 100% = 1.0<br>
+				for a and b: -100% = -0.4, 100% = 0.4
+			</td>
+		</tr>
+	</table>
+
 	<wpt>
 		oklab-001.html
 		oklab-002.html
@@ -3588,6 +3630,20 @@ Specifying Lab and LCH: the ''lab()'' and ''lch()'' functional notations</h3>
 		<dfn>oklch()</dfn> = oklch( [<<percentage>> | none] [<<number>> | none] [<<hue>> | none] [ / [<<alpha-value>> | none] ]? )
 		</pre>
 
+		<table>
+			<tr>
+				<th>Percentages</th>
+				<td>Allowed for L and C</td>
+			</tr>
+			<tr>
+				<th>Percent reference range&nbsp;</th>
+				<td>
+					for L: 0% = 0.0, 100% = 1.0<br>
+					for C: 0% = 0.0 100% = 0.4
+				</td>
+			</tr>
+		</table>
+
 		<wpt>
 			oklch-001.html
 			oklch-002.html
@@ -3915,6 +3971,10 @@ Predefined Color Spaces</h2>
 					<th>Percentages</th>
 					<td  colspan="2">Allowed for R, G and B</td>
 				</tr>
+				<tr>
+					<th>Percent reference range&nbsp;</th>
+					<td>for R,G,B: 0% = 0.0, 100% = 1.0</td>
+				</tr>
 			</table>
 
 			<pre class="lang-javascript">
@@ -3976,6 +4036,10 @@ Predefined Color Spaces</h2>
 						<th>Percentages</th>
 						<td  colspan="2">Allowed for R, G and B</td>
 					</tr>
+					<tr>
+						<th>Percent reference range&nbsp;</th>
+						<td>for R,G,B: 0% = 0.0, 100% = 1.0</td>
+					</tr>
 				</table>
 
 				<pre class="lang-javascript">
@@ -4037,6 +4101,10 @@ Predefined Color Spaces</h2>
 					<th>Percentages</th>
 					<td  colspan="2">Allowed for R, G and B</td>
 				</tr>
+				<tr>
+					<th>Percent reference range&nbsp;</th>
+					<td>for R,G,B: 0% = 0.0, 100% = 1.0</td>
+				</tr>
 			</table>
 
 			<figure>
@@ -4092,6 +4160,10 @@ Predefined Color Spaces</h2>
 					<th>Percentages</th>
 					<td  colspan="2">Allowed for R, G and B</td>
 				</tr>
+				<tr>
+					<th>Percent reference range&nbsp;</th>
+					<td>for R,G,B: 0% = 0.0, 100% = 1.0</td>
+				</tr>
 			</table>
 
 			<figure>
@@ -4167,6 +4239,10 @@ Predefined Color Spaces</h2>
 						<th>Percentages</th>
 						<td  colspan="2">Allowed for R, G and B</td>
 					</tr>
+					<tr>
+						<th>Percent reference range&nbsp;</th>
+						<td>for R,G,B: 0% = 0.0, 100% = 1.0</td>
+					</tr>
 				</table>
 
 				<pre class="lang-javascript">
@@ -4242,6 +4318,10 @@ Predefined Color Spaces</h2>
 					<th>Percentages</th>
 					<td  colspan="2">Allowed for R, G and B</td>
 				</tr>
+				<tr>
+					<th>Percent reference range&nbsp;</th>
+					<td>for R,G,B: 0% = 0.0, 100% = 1.0</td>
+				</tr>
 			</table>
 
 			<pre class="lang-javascript">
@@ -4308,7 +4388,11 @@ Predefined Color Spaces</h2>
 				<table>
 					<tr>
 						<th>Percentages</th>
-						<td>Disallowed</td>
+						<td>Allowed for X,Y,Z</td>
+					</tr>
+					<tr>
+						<th>Percent reference range&nbsp;</th>
+						<td>for X,Y,Z: 0% = 0.0, 100% = 1.0</td>
 					</tr>
 				</table>