Your use of colour says as much about you in your marketing and branding process as any other element. It needs to point to the right emotions, the right social context. It needs to balance with the actual imagery. Interaction with the whole process, the whole story being told has colour as one of the main motivating aspects. Styles of design move on in just the same way that marketing and branding do!
Here are resources old and new available for your use. There are some freebies in amngst, so have a good look around. Hopefully, one or two of these bits and pieces may be of some use in your current or upcoming projects.