, 0, 0, 0);  // transparent black
let d = rgb(0, 0, 1);           // blue using rgb color
let e = hsl(.3, 1, .5);         // green using hsl color</code></pre></div></div></div><h2 id="members" class="subsection-title has-anchor">Members</h2><h3 class="name has-anchor" id="a"><span class="type-signature"></span>a<span class="type-signature"></span></h3><b class="subsection-title">Properties</b><div class="allow-overflow"><table class="props"><thead><tr><th>Type</th><th class="last">Description</th></tr></th