multiple colour choice for products

I am looking for a e commerce solution that will do full fill two criteria.
1st,
it must allow initial product selection based on a choice of size and then allow the buyer to select a colour choice.The colour choice must link to a swatch colour that I can embed as a image as i would the product image .
2nd
must have good back office order tracking and fulfilment details

Is this possible with the zen soloution?

Yes, ZenCart will support the requirements specified.

Cheers
Rod

Rod, thank you for your reply, would you know of a website you could point me to as a example of the multile product choices using colours?
I have wasted hours setting up two different wp plug in ecommerce plugins only to find the multiple choice is only possible via text but not via a visual colour swatch.
thank you
Alistair

If you install Zen Cart with the demo products, the product Test Examples :: Test 1 (?main_page=product_info&cPath=23&products_id=48) has 3 colors to choose from with color "swatches". You could use this as a model for what you're trying to do ...