Add a column to the cart for colours.
Then update your add to cart button and make that field updatable as a select list.
Then click ok and add the colors you want to the list.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.