img-color-grade (npm): <div class="intro" style="text-align:center;">     <h3>img-color-grade</h3>     <p>利用 canvas 获取图片颜色，可获取图片主色与次色，并提供生成渐变效果API。</p>     <p>Obtain the main color and secondary color of the image, and provide the API for generating the gradient effect.</p> </d
Keywords: color|rgbaster|img-color-grade|grade|gradient color|gradient