This plugin allows you to create elegant and fully customizable color swatches for your products with different variant colors, labels and images. The plugin basically replaces the regular drop-down menu for your attribute variations selector into elegant swatches. There are several styles that you can choose from to best fit your online store image.
Demo: https://codecanyon.net/item/super-product-variation-swatches-for-woocommerce/24566625