1. A non-transitory machine readable medium having a computer program for adjusting color values of an image represented in a color space, the image comprising a set of pixels, each pixel comprising a set of color values, the computer program comprising sets of instructions for execution by at least one processing unit, the sets of instructions comprising: receiving a user input on a user interface (UI) item for adjusting color values of an image that are associated with a type of content; identifying a subset of pixels having color values that fall within a range of color values associated with the type of content; and performing a color adjustment operation on the identified subset of pixels.