While Magento 1 required an extension for configurable swatches, configurable swatches in Magento 2 come as an out of the box feature and is extremely simple to set up. We will show you the steps for setting up configurable swatches in Magento 2.
Setting up Swatches
Swatches provide an alternate way to display the selection of options for configurable products. Rather than choosing an option from a drop-down list, customers can make their selection by clicking a swatch. Configurable swatches can be used on the product page, product list, and in layered navigation. Continue reading Magento Support: Swatches