Browse these keyword search results:
Dictionary of Color Combinations
Try Adobe Color CC to generate the perfect color scheme
Sources for historic color palettes include
Picture Collection Color Folders
The Picture Collection has files devoted to Color with references to additional folders on Patterns-Color, Prisms, etc. Ask for these files at the service desk.
If you're searching for images of a particular color, think of the local color of objects and check for files on those subjects. examples: camels, fire, flowers, snow, smoke, seeds...