title: ERROR in Module build failed (from ./node_modules/sass-loader/lib/loader.js):
body: <p>I'm running the following command:</p>
  
  <p><code>ng build --prod --aot --base-href ./</code></p>
  
  <p>And receiving;</p>
  
  <pre><code>ERROR in Module build failed (from ./node_modules/sass-loader/lib/loader.js):
  
  $clr-popover-box-shadow-color: rgba(clr-getColor(dark), 0.25);
                                ^
        Argument `$color` of `rgba($color, $alpha)` must be a color
        in /Users/allan/git/dcfrontend/node_modules/@clr/ui/src/utils/_variables.global.scss (line 84, column 32)
  </code></pre>
  
  <p>I'm on Angular 7 and Clarity 1.04.</p>
  
  <p>Extract from my <code>angular.json</code>:</p>
  
  <pre><code>        "styles": [
            "node_modules/@clr/icons/clr-icons.min.css",
            "node_modules/@clr/ui/clr-ui.min.css",
            "node_modules/prismjs/themes/prism-solarizedlight.css",
            "src/styles.css",
            "node_modules/lato-font/css/lato-font.min.css"
          ],
          "scripts": [
            "node_modules/core-js/client/shim.min.js",
            "node_modules/mutationobserver-shim/dist/mutationobserver.min.js",
            "node_modules/@webcomponents/custom-elements/custom-elements.min.js",
            "node_modules/web-animations-js/web-animations.min.js",
            "node_modules/prismjs/prism.js",
            "node_modules/prismjs/components/prism-typescript.min.js",
            "node_modules/@clr/icons/clr-icons.min.js"
          ]
  </code></pre>