You shouldn't be able to trademark colours, but a specific colour on a specific ...

tobylane on Aug 14, 2011 | parent | context | favorite | on: Can You Trademark a Color?

You shouldn't be able to trademark colours, but a specific colour on a specific area of a specific item (red soled shoes), that others copy purely so customers are confused about the brand image, does sound more like what is needed.

colanderman on Aug 14, 2011 [–]

Read the article. This is almost exactly how the US trademark system works.