Use opaque and transparent black as defined in CSS Color

source

@@ -1876,10 +1876,6 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
   rendered to the user. These terms are not meant to imply a visual medium; they must be considered
   to apply to other media in equivalent ways.</p>
 
-  <!-- should find somewhere more appropriate to put this -->
-  <p><dfn>Transparent black</dfn> refers to the color with red, green, blue, and alpha channels all
-  set to zero.</p>
-
 
   <div w-nodev>
 
@@ -3445,8 +3441,8 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
       <p>If <var>color</var> is <code>currentColor</code>, then:</p>
 
       <ol>
-       <li><p>If <var>element</var> is not given, then set <var>color</var> to fully opaque
-       black.</p></li>
+       <li><p>If <var>element</var> is not given, then set <var>color</var> to <span>opaque
+       black</span>.</p></li>
 
        <li><p>Otherwise, set <var>color</var> to the computed value of the <span>'color'</span>
        property of <var>element</var>.</p></li>
@@ -3559,6 +3555,8 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
      <li><dfn data-x-href="https://drafts.csswg.org/css-color/#typedef-color">&lt;color></dfn></li>
      <li><dfn data-x-href="https://drafts.csswg.org/css-color/#valdef-color-currentcolor">currentColor</dfn></li>
      <li>The <dfn data-x-href="https://drafts.csswg.org/css-color/#the-color-property">'color'</dfn> property</li>
+     <li><dfn data-x-href="https://drafts.csswg.org/css-color/#opaque-black">opaque black</dfn></li>
+     <li><dfn data-x-href="https://drafts.csswg.org/css-color/#transparent-black">transparent black</dfn></li>
     </ul>
 
     <p>The term <dfn data-x-href="https://drafts.csswg.org/css-images-4/#paint-source">paint
@@ -59915,9 +59913,9 @@ interface <dfn>Path2D</dfn> {
   fixed to 1.0 (fully opaque) for all pixels, and attempts to change the alpha component of any
   pixel must be silently ignored.</p>
 
-  <p class="note">Thus, the bitmap of such a context starts off as fully-opaque black instead of
-  <span>transparent black</span>; <code data-x="dom-context-2d-clearRect">clearRect()</code> always
-  results in fully-opaque black pixels, every fourth byte from <code
+  <p class="note">Thus, the bitmap of such a context starts off as <span>opaque black</span> instead
+  of <span>transparent black</span>; <code data-x="dom-context-2d-clearRect">clearRect()</code>
+  always results in <span>opaque black</span> pixels, every fourth byte from <code
   data-x="dom-context-2d-getImageData">getImageData()</code> is always 255, the <code
   data-x="dom-context-2d-putImageData">putImageData()</code> method effectively ignores every
   fourth byte in its input, and so on. However, the alpha component of styles and images drawn
@@ -64824,15 +64822,15 @@ dictionary <dfn>ImageBitmapRenderingContextSettings</dfn> {
   data-x="concept-ImageBitmapRenderingContext-alpha">alpha</span> flag set to false, the contents
   of the <code>canvas</code> element to which the context is bound are obtained by
   compositing the context's <span
-  data-x="concept-ImageBitmapRenderingContext-output-bitmap">output bitmap</span> onto an opaque
-  black bitmap of the same size using the source-over composite operation. If the <span
-  data-x="concept-ImageBitmapRenderingContext-alpha">alpha</span> flag is set to true, then the
-  <span data-x="concept-ImageBitmapRenderingContext-output-bitmap">output bitmap</span> is used
-  as the contents of the <code>canvas</code> element to which the context is bound. <ref
+  data-x="concept-ImageBitmapRenderingContext-output-bitmap">output bitmap</span> onto an
+  <span>opaque black</span> bitmap of the same size using the source-over composite operation. If
+  the <span data-x="concept-ImageBitmapRenderingContext-alpha">alpha</span> flag is set to true,
+  then the <span data-x="concept-ImageBitmapRenderingContext-output-bitmap">output bitmap</span> is
+  used as the contents of the <code>canvas</code> element to which the context is bound. <ref
   spec=COMPOSITE></p>
 
-  <p class="note">The step of compositing over an opaque black bitmap ought to be elided whenever
-  equivalent results can be obtained more efficiently by other means.</p>
+  <p class="note">The step of compositing over an <span>opaque black</span> bitmap ought to be
+  elided whenever equivalent results can be obtained more efficiently by other means.</p>
 
   <hr>
 
@@ -65345,7 +65343,7 @@ interface <dfn>OffscreenCanvas</dfn> : <span>EventTarget</span> {
    <li><p>Set this <code>OffscreenCanvas</code> object's <span
    data-x="offscreencanvas-bitmap">bitmap</span> to reference a newly created bitmap of the same
    dimensions as the previous bitmap, and with its pixels initialized to <span>transparent
-   black</span>, or opaque black if the rendering context's <span
+   black</span>, or <span>opaque black</span> if the rendering context's <span
    data-x="offscreencontext2d-alpha">alpha</span> flag is set to false.</p></li>
 
    <li><p>Return <var>image</var>.</p></li>
@@ -65469,7 +65467,7 @@ interface <dfn>OffscreenCanvasRenderingContext2D</dfn> {
    <li><p>If <var>context</var>'s <span data-x="offscreencontext2d-alpha">alpha</span> flag is set
    to true, initialize all the pixels of <var>context</var>'s <span
    data-x="offscreencontext2d-bitmap">bitmap</span> to <span>transparent black</span>. Otherwise,
-   initialize the pixels to opaque black.</p></li>
+   initialize the pixels to <span>opaque black</span>.</p></li>
 
    <li><p>Return <var>context</var>.</p></li>