Be able to display individual products in each colour at collection pages.
Then when you click into the product, display a swipe through based on variants.
Then on the product page itself have multiple colour variants / photos swipe throughs.
see cottonon - https://cottonon.com/AU/co/women/womens-clothing/womens-tops/?start=0&sz=60
Perfect example, shows chips on collection page also. Would buy tomorrow if you had either of these features.