eader-prototype"><span class="qm-api-javascript-header-prototype qm-api-header-details qm-code-font" id="hx.colorscale"><span class="qm-api-javascript-prototype-name">hx.ColorScale</span></span><span class="qm-api-header-tags"></span></div></div></div></div><div class="qm-api-collapsible-content"><div class="qm-api-item-content"><div class="qm-api-group qm-api-constructor-group"><div class="qm-api-group-header qm-api-constructor-group-header qm-header-font">Constructors</div><div class="qm-api-item qm-api-j