[css-color-5] Better description for peru-goldenrod mix figure. w3c#7691

Author: svgeesus

css-color-5/Overview.bs

@@ -236,14 +236,20 @@ and a percentage of 100% returns the same color converted to the specified color
 	Here is a top-down view, looking along the neutral L axis:
 
 	<figure id="fig-LCH-peru-goldenrod">
-		<img src="images/CH-mixing.svg"  width=480 height=480>
-		<figcaption>Mixtures of peru and palegoldenrod.
+		<object data="images/CH-mixing.svg"  width=480 height=480>
+			<p>A mixture of two colours, and the mixed output. 
+				We are looking down the CIE L axis onto the ab plane. 
+				There are two axes, labelled 'a' and 'b' 
+				which cross at the origin, 
+				which is in the centre of the plot.</p>
+		</object>
+		<figcaption>Mixtures of peru and palegoldenrod in CIE LCH.
 			Peru has a hue angle, measured from the positive a axis,
 			of 63.677 degrees
 			while palegoldenrod has a hue angle of 98.834 degrees.
 			Peru has a chroma, or distance from the central neutral axis, of 54.011
 			while palegoldenrod has a chroma of 31.406.
-			Mixtures lie along the curve. A 40%/60% mixture is shown.
+			All possible mixtures lie along the curve. A 40%/60% mixture is shown.
 		</figcaption>
 	</figure>
 
@@ -2802,6 +2808,7 @@ No new privacy considerations have been reported on this specification.
 			color-resolving.html
 			currentcolor-001.html
 			currentcolor-002.html
+			currentcolor-003.html
 			deprecated-sameas-001.html
 			deprecated-sameas-002.html
 			deprecated-sameas-003.html
@@ -2975,7 +2982,7 @@ No new privacy considerations have been reported on this specification.
 			parsing/color-invalid.html
 			canvas-change-opacity.html
 			system-color-consistency.html
-
+			parsing/color-mixed-num-pct.html
 
 		</wpt>