Magento now offers colour swatches out the box! Huzzah! Colours are awesome - our favourite colour is puce. We thought you deserved some colour in your life so we've put together a batch of swatches to help you get started.
The download consists of two packs based on the default dimensions (21x21px and 15x15px) for listing and filters as defined in the Configurable Swatches area of the Magento Admin. Both are in .png format so ready to drop in and go.
Here's the full list: