Purple (government) Purple (government) Purple is a common term in politics for governments or other political entities consisting of parties that have red and blue as their political colours. It is of particular note in two areas: in the politics of the Netherlands and Belgium and in the politics of the United States. "Purple" () is the nickname of a government coalition of social democrats and liberals, excluding Christian democrats. It is derived from the combination of the colour of the social democrats (red) and liberals (blue). Both the Netherlands and Belgium have had such governments. In the Netherlands the two cabinets
Purple fringing usually attributed to chromatic aberration as described above, although it is not clear that all purple fringing can be explained this way. Other attributed causes of purple fringing in digital photography include many hypothesized sensor effects: Commonly advocated methods of avoiding purple fringing include: Post-processing to remove purple fringing (or chromatic aberration in general) usually involves scaling the fringed colour channel, or subtracting some of a scaled version of the blue channel, or other blue-channel tricks. Purple fringing In photography (particularly digital photography), purple fringing (sometimes called PF) is the term for an unfocused purple or magenta "ghost" image on